{"id": "RHSA-2015:2552", "hash": "80b13580a7460d80f177adcd3eb6c2e1", "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2015:2552) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2018-04-12T03:32:41", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2018-12-11T17:44:39", "history": [{"bulletin": {"id": "RHSA-2015:2552", "hash": "", "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2015:2552) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2016-11-09T15:28:10", "cvss": {"vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/", "score": 4.9}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2016-11-25T14:52:28", "history": [], "viewCount": 6, "enchantments": {}, "objectVersion": "1.4", "affectedPackage": [{"arch": "s390x", "packageFilename": "perf-3.10.0-327.3.1.el7.s390x.rpm", "OSVersion": "7", "operator": "lt", "packageName": "perf", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "ppc64", "packageFilename": "kernel-debug-3.10.0-327.3.1.el7.ppc64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel-debug", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "noarch", "packageFilename": "kernel-doc-3.10.0-327.3.1.el7.noarch.rpm", "OSVersion": "7", 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"python-perf", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "x86_64", "packageFilename": "python-perf-3.10.0-327.3.1.el7.x86_64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "python-perf", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}]}, "lastseen": "2016-11-25T14:52:28", "differentElements": ["modified"], "edition": 1}, {"bulletin": {"id": "RHSA-2015:2552", "hash": "", "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2015:2552) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2017-07-25T19:48:08", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2017-07-27T18:57:37", "history": [], "viewCount": 6, "enchantments": {}, "objectVersion": "1.4", "affectedPackage": [{"arch": "ppc64", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "ppc64le", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64le.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "s390x", "packageFilename": "kernel-3.10.0-327.3.1.el7.s390x.rpm", "OSVersion": "7", "operator": "lt", 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"packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "x86_64", "packageFilename": "python-perf-debuginfo-3.10.0-327.3.1.el7.x86_64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "python-perf-debuginfo", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}]}, "lastseen": "2017-07-27T18:57:37", "differentElements": ["modified"], "edition": 2}, {"bulletin": {"id": "RHSA-2015:2552", "hash": "", "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2015:2552) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2017-07-28T11:08:09", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2017-07-31T02:58:23", "history": [], "viewCount": 7, "enchantments": {}, "objectVersion": "1.4", "affectedPackage": [{"arch": "ppc64", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "ppc64le", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64le.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "s390x", "packageFilename": "kernel-3.10.0-327.3.1.el7.s390x.rpm", "OSVersion": "7", "operator": "lt", 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"packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "x86_64", "packageFilename": "python-perf-debuginfo-3.10.0-327.3.1.el7.x86_64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "python-perf-debuginfo", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}]}, "lastseen": "2017-07-31T02:58:23", "differentElements": ["modified"], "edition": 3}, {"bulletin": {"id": "RHSA-2015:2552", "hash": "", "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2015:2552) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2017-08-25T02:22:05", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2017-08-25T00:11:45", "history": [], "viewCount": 7, "enchantments": {}, "objectVersion": "1.4", "affectedPackage": [{"arch": "ppc64", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "ppc64le", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64le.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "s390x", "packageFilename": "kernel-3.10.0-327.3.1.el7.s390x.rpm", "OSVersion": "7", "operator": "lt", 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"packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "x86_64", "packageFilename": "python-perf-debuginfo-3.10.0-327.3.1.el7.x86_64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "python-perf-debuginfo", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}]}, "lastseen": "2017-08-25T00:11:45", "differentElements": ["modified"], "edition": 4}, {"bulletin": {"id": "RHSA-2015:2552", "hash": "", "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2015:2552) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2017-08-25T03:34:27", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2017-08-25T08:10:41", "history": [], "viewCount": 8, "enchantments": {}, "objectVersion": "1.4", "affectedPackage": [{"arch": "ppc64", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "ppc64le", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64le.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "s390x", "packageFilename": "kernel-3.10.0-327.3.1.el7.s390x.rpm", "OSVersion": "7", "operator": "lt", 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"packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "x86_64", "packageFilename": "python-perf-debuginfo-3.10.0-327.3.1.el7.x86_64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "python-perf-debuginfo", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}]}, "lastseen": "2017-08-25T08:10:41", "differentElements": ["modified"], "edition": 5}, {"bulletin": {"id": "RHSA-2015:2552", "hash": "", "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2015:2552) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2017-08-28T07:28:49", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2017-08-31T03:32:50", "history": [], "viewCount": 19, "enchantments": {"score": {"value": 2.8, "vector": "AV:N/AC:M/Au:M/C:N/I:N/A:P/", "modified": "2017-08-31T03:32:50"}}, "objectVersion": "1.4", "affectedPackage": [{"arch": "ppc64", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "ppc64le", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64le.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": 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"OSVersion": "7", "operator": "lt", "packageName": "python-perf-debuginfo", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "x86_64", "packageFilename": "python-perf-debuginfo-3.10.0-327.3.1.el7.x86_64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "python-perf-debuginfo", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}]}, "lastseen": "2017-08-31T03:32:50", "differentElements": ["modified"], "edition": 6}, {"bulletin": {"id": "RHSA-2015:2552", "hash": "", "type": "redhat", "bulletinFamily": "unix", "title": "(RHSA-2015:2552) Important: kernel security and bug fix update", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2018-03-19T16:31:23", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2018-03-20T18:40:43", "history": [], "viewCount": 19, "enchantments": {"score": {"value": 2.8, "vector": "AV:N/AC:M/Au:M/C:N/I:N/A:P/", "modified": "2018-03-20T18:40:43"}}, "objectVersion": "1.4", "affectedPackage": [{"arch": "ppc64", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "ppc64le", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64le.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": 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such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.", "published": "2015-12-08T15:11:52", "modified": "2018-04-12T03:32:41", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}, "href": "https://access.redhat.com/errata/RHSA-2015:2552", "reporter": "RedHat", "references": [], "cvelist": ["CVE-2015-5307", "CVE-2015-8104"], "lastseen": "2018-04-15T14:25:23", "history": [], "viewCount": 19, "enchantments": {"score": {"value": 5.0, "vector": "NONE"}}, "objectVersion": "1.4", "affectedPackage": [{"arch": "ppc64", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "ppc64le", "packageFilename": "kernel-3.10.0-327.3.1.el7.ppc64le.rpm", "OSVersion": "7", "operator": "lt", "packageName": "kernel", "packageVersion": "3.10.0-327.3.1.el7", "OS": "RedHat"}, {"arch": "s390x", "packageFilename": 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{"openvas": [{"lastseen": "2018-10-22T16:38:59", "bulletinFamily": "scanner", "description": "A security vulnerability has been identified in Citrix XenServer that may allow a malicious administrator of an HVM guest VM to crash the host. 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If the table lists only an older version than what you are currently running, or does not list a non-vulnerable version, then no upgrade candidate currently exists.\n\nF5 responds to vulnerabilities in accordance with the **Severity** values published in the previous table. The **Severity** values and other security vulnerability parameters are defined in SOL4602: Overview of the F5 security vulnerability response policy.\n\nTo mitigate this vulnerability, you can limit access to the Linux shell to trusted users only.\n\nSupplemental Information\n\n * SOL9970: Subscribing to email notifications regarding F5 products\n * SOL9957: Creating a custom RSS feed to view new and updated documents\n * SOL4918: Overview of the F5 critical issue hotfix policy\n * SOL167: Downloading software and firmware from F5\n", "modified": "2016-06-09T00:00:00", "published": "2016-01-13T00:00:00", "href": "http://support.f5.com/kb/en-us/solutions/public/k/31/sol31026324.html", "id": "SOL31026324", "title": "SOL31026324 - Linux kernel vulnerabilities CVE-2015-2925, CVE-2015-5307, and CVE-2015-8104", "type": "f5", "cvss": {"score": 6.9, "vector": "AV:LOCAL/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "cve": [{"lastseen": "2019-02-23T12:20:13", "bulletinFamily": "NVD", 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The system must be\nrebooted for this update to take effect.\n", "modified": "2016-09-04T02:14:23", "published": "2015-12-15T05:00:00", "id": "RHSA-2015:2645", "href": "https://access.redhat.com/errata/RHSA-2015:2645", "type": "redhat", "title": "(RHSA-2015:2645) Important: kernel security and bug fix update", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-12-11T17:44:53", "bulletinFamily": "unix", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.\n", "modified": "2016-04-04T19:57:07", "published": "2016-01-19T05:00:00", "id": "RHSA-2016:0046", "href": "https://access.redhat.com/errata/RHSA-2016:0046", "type": "redhat", "title": "(RHSA-2016:0046) Important: kernel security update", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-12-11T19:41:09", "bulletinFamily": "unix", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* A flaw was found in the way the Linux kernel's file system implementation\nhandled rename operations in which the source was inside and the\ndestination was outside of a bind mount. A privileged user inside a\ncontainer could use this flaw to escape the bind mount and, potentially,\nescalate their privileges on the system. (CVE-2015-2925, Important)\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\n* A race condition flaw was found in the way the Linux kernel's IPC\nsubsystem initialized certain fields in an IPC object structure that were\nlater used for permission checking before inserting the object into a\nglobally visible list. A local, unprivileged user could potentially use\nthis flaw to elevate their privileges on the system. (CVE-2015-7613,\nImportant)\n\n* It was found that the Linux kernel's keys subsystem did not correctly\ngarbage collect uninstantiated keyrings. A local attacker could use this\nflaw to crash the system or, potentially, escalate their privileges on\nthe system. (CVE-2015-7872, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* Previously, Human Interface Device (HID) ran a report on an unaligned\nbuffer, which could cause a page fault interrupt and an oops when the end\nof the report was read. This update fixes this bug by padding the end of\nthe report with extra bytes, so the reading of the report never crosses a\npage boundary. As a result, a page fault and subsequent oops no longer\noccur. (BZ#1268203)\n\n* The NFS client was previously failing to detect a directory loop for some\nNFS server directory structures. This failure could cause NFS inodes to\nremain referenced after attempting to unmount the file system, leading to a\nkernel crash. Loop checks have been added to VFS, which effectively\nprevents this problem from occurring. (BZ#1272858)\n\n* Due to a race whereby the nfs_wb_pages_cancel() and\nnfs_commit_release_pages() calls both removed a request from the nfs_inode\nstruct type, the kernel panicked with negative nfs_inode.npages count.\nThe provided upstream patch performs the required serialization by holding\nthe inode i_lock over the check of PagePrivate and locking the request,\nthus preventing the race and kernel panic from occurring. (BZ#1273721)\n\n* Due to incorrect URB_ISO_ASAP semantics, playing an audio file using a\nUSB sound card could previously fail for some hardware configurations.\nThis update fixes the bug, and playing audio from a USB sound card now\nworks as expected. (BZ#1273916)\n\n* Inside hugetlb, region data structures were protected by a combination of\na memory map semaphore and a single hugetlb instance mutex. However, a\npage-fault scalability improvement backported to the kernel on previous\nreleases removed the single hugetlb instance mutex and introduced a new\nmutex table, making the locking combination insufficient, leading to\npossible race windows that could cause corruption and undefined behavior.\nThis update fixes the problem by introducing a required spinlock to the\nregion tracking functions for proper serialization. The problem only\naffects software using huge pages through hugetlb interface. (BZ#1274599)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.\n", "modified": "2018-06-06T20:24:33", "published": "2015-12-15T05:00:00", "id": "RHSA-2015:2636", "href": "https://access.redhat.com/errata/RHSA-2015:2636", "type": "redhat", "title": "(RHSA-2015:2636) Important: kernel security and bug fix update", "cvss": {"score": 6.9, "vector": "AV:LOCAL/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "oraclelinux": [{"lastseen": "2018-08-31T01:40:19", "bulletinFamily": "unix", "description": "[3.10.0-327.3.1.OL7]\n- Oracle Linux certificates (Alexey Petrenko)\n[3.10.0-327.3.1]\n- rebuild\n[3.10.0-327.2.1]\n- [netdrv] macvtap: unbreak receiving of gro skb with frag list (Jason Wang) [1279794 1273737]\n- [net] ipv6: drop frames with attached skb->sk in forwarding (Hannes Frederic Sowa) [1281701 1243966]\n- [net] ipv6: ip6_forward: perform skb->pkt_type check at the beginning (Hannes Frederic Sowa) [1281701 1243966]\n- [net] sctp: Fix race between OOTB responce and route removal (Jamie Bainbridge) [1281426 1277309]\n- [x86] mm: fix VM_FAULT_RETRY handling (Andrea Arcangeli) [1281427 1277226]\n- [x86] mm: consolidate VM_FAULT_RETRY handling (Andrea Arcangeli) [1281427 1277226]\n- [x86] mm: move mmap_sem unlock from mm_fault_error() to caller (Andrea Arcangeli) [1281427 1277226]\n- [mm] let mm_find_pmd fix buggy race with THP fault (Larry Woodman) [1281424 1273993]\n- [mm] ksm: unstable_tree_search_insert error checking cleanup (Andrea Arcangeli) [1281422 1274871]\n- [mm] ksm: use find_mergeable_vma in try_to_merge_with_ksm_page (Andrea Arcangeli) [1281422 1274871]\n- [mm] ksm: use the helper method to do the hlist_empty check (Andrea Arcangeli) [1281422 1274871]\n- [mm] ksm: don't fail stable tree lookups if walking over stale stable_nodes (Andrea Arcangeli) [1281422 1274871]\n- [mm] ksm: add cond_resched() to the rmap_walks (Andrea Arcangeli) [1281422 1274871]\n- [powerpc] kvm: book3s_hv: Synthesize segment fault if SLB lookup fails (Thomas Huth) [1281423 1269467]\n- [powerpc] kvm: book3s_hv: Create debugfs file for each guest's HPT (David Gibson) [1281420 1273692]\n- [powerpc] kvm: book3s_hv: Add helpers for lock/unlock hpte (David Gibson) [1281420 1273692]\n- [powerpc] pci: initialize hybrid_dma_data before use (Laurent Vivier) [1279793 1270717]\n- [md] raid10: don't clear bitmap bit when bad-block-list write fails (Jes Sorensen) [1279796 1267652]\n- [md] raid1: don't clear bitmap bit when bad-block-list write fails (Jes Sorensen) [1279796 1267652]\n- [md] raid10: submit_bio_wait() returns 0 on success (Jes Sorensen) [1279796 1267652]\n- [md] raid1: submit_bio_wait() returns 0 on success (Jes Sorensen) [1279796 1267652]\n- [md] crash in md-raid1 and md-raid10 due to incorrect list manipulation (Jes Sorensen) [1279796 1267652]\n- [md] raid10: ensure device failure recorded before write request returns (Jes Sorensen) [1279796 1267652]\n- [md] raid1: ensure device failure recorded before write request returns (Jes Sorensen) [1279796 1267652]\n- [block] nvme: Fix memory leak on retried commands (David Milburn) [1279792 1271860]\n- [cpufreq] intel_pstate: fix rounding error in max_freq_pct (Prarit Bhargava) [1281491 1263866]\n- [cpufreq] intel_pstate: fix PCT_TO_HWP macro (Prarit Bhargava) [1273926 1264990]\n- [cpufreq] revert 'intel_pstate: add quirk to disable HWP on Skylake-S processors' (Prarit Bhargava) [1273926 1264990]\n- [cpufreq] revert 'intel_pstate: disable Skylake processors' (Prarit Bhargava) [1273926 1264990]\n- [x86] kvm: svm: unconditionally intercept #DB (Paolo Bonzini) [1279469 1279470] {CVE-2015-8104}\n- [x86] virt: guest to host DoS by triggering an infinite loop in microcode (Paolo Bonzini) [1277560 1277561] {CVE-2015-5307}\n[3.10.0-327.1.1]\n- [x86] kvm: mmu: fix validation of mmio page fault (Bandan Das) [1275150 1267128]", "modified": "2015-12-08T00:00:00", "published": "2015-12-08T00:00:00", "id": "ELSA-2015-2552", "href": "http://linux.oracle.com/errata/ELSA-2015-2552.html", "title": "kernel security and bug fix update", "type": "oraclelinux", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T01:42:48", "bulletinFamily": "unix", "description": "kernel-uek\n[3.8.13-118.2.2]\n- KVM: svm: unconditionally intercept #DB (Paolo Bonzini) [Orabug: 22333698] {CVE-2015-8104}\n- KVM: x86: work around infinite loop in microcode when #AC is delivered (Eric Northup) [Orabug: 22333689] {CVE-2015-5307} {CVE-2015-5307}\n- KVM: x86: Defining missing x86 vectors (Nadav Amit) [Orabug: 22333689]", "modified": "2015-12-10T00:00:00", "published": "2015-12-10T00:00:00", "id": "ELSA-2015-3107", "href": "http://linux.oracle.com/errata/ELSA-2015-3107.html", "title": "Unbreakable Enterprise kernel security update", "type": "oraclelinux", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T01:37:49", "bulletinFamily": "unix", "description": "[2.6.32-573.12.1]\n- Revert: [netdrv] igb: add support for 1512 PHY (Stefan Assmann) [1278275 1238551]\n[2.6.32-573.11.1]\n- [kvm] svm: unconditionally intercept DB (Paolo Bonzini) [1279467 1279468] {CVE-2015-8104}\n- [x86] virt: guest to host DoS by triggering an infinite loop in microcode (Paolo Bonzini) [1277557 1277559] {CVE-2015-5307}\n[2.6.32-573.10.1]\n- [sound] Fix USB audio issues (wrong URB_ISO_ASAP semantics) (Jaroslav Kysela) [1273916 1255071]\n- [security] keys: Don't permit request_key() to construct a new keyring (David Howells) [1275927 1273463] {CVE-2015-7872}\n- [security] keys: Fix crash when attempt to garbage collect an uninstantiated keyring (David Howells) [1275927 1273463] {CVE-2015-7872}\n- [security] keys: Fix race between key destruction and finding a keyring by name (David Howells) [1275927 1273463] {CVE-2015-7872}\n- [ipc] Initialize msg/shm IPC objects before doing ipc_addid() (Stanislav Kozina) [1271504 1271505] {CVE-2015-7613}\n- [fs] vfs: Test for and handle paths that are unreachable from their mnt_root (Eric W. Biederman) [1209368 1209369] {CVE-2015-2925}\n- [fs] dcache: Handle escaped paths in prepend_path (Eric W. Biederman) [1209368 1209369] {CVE-2015-2925}\n- [netdrv] igb: add support for 1512 PHY (Stefan Assmann) [1278275 1238551]\n- [hid] fix unused rsize usage (Don Zickus) [1268203 1256568]\n- [hid] fix data access in implement() (Don Zickus) [1268203 1256568]\n- [fs] NFS: Hold i_lock in nfs_wb_page_cancel() while locking a request (Benjamin Coddington) [1273721 1135601]\n[2.6.32-573.9.1]\n- [mm] hugetlb: fix race in region tracking (Herton R. Krzesinski) [1274599 1260755]\n- [mm] hugetlb: improve, cleanup resv_map parameters (Herton R. Krzesinski) [1274599 1260755]\n- [mm] hugetlb: unify region structure handling (Herton R. Krzesinski) [1274599 1260755]\n- [mm] hugetlb: change variable name reservations to resv (Herton R. Krzesinski) [1274599 1260755]\n- [fs] dcache: Log ELOOP rather than creating a loop (Benjamin Coddington) [1272858 1254020]\n- [fs] dcache: Fix loop checks in d_materialise_unique (Benjamin Coddington) [1272858 1254020]", "modified": "2015-12-15T00:00:00", "published": "2015-12-15T00:00:00", "id": "ELSA-2015-2636", "href": "http://linux.oracle.com/errata/ELSA-2015-2636.html", "title": "kernel security and bug fix update", "type": "oraclelinux", "cvss": {"score": 6.9, "vector": "AV:LOCAL/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T01:37:34", "bulletinFamily": "unix", "description": "kernel-uek\n[2.6.32-400.37.15uek]\n- ipc/sem.c: fully initialize sem_array before making it visible (Manfred Spraul) [Orabug: 22250043] {CVE-2015-7613}\n- Initialize msg/shm IPC objects before doing ipc_addid() (Linus Torvalds) [Orabug: 22250043] {CVE-2015-7613}\n- crypto: add missing crypto module aliases (Mathias Krause) [Orabug: 22249655] {CVE-2013-7421} {CVE-2014-9644}\n- crypto: include crypto- module prefix in template (Kees Cook) [Orabug: 22249655] {CVE-2013-7421} {CVE-2014-9644}\n- crypto: prefix module autoloading with 'crypto-' (Kees Cook) [Orabug: 22249655] {CVE-2013-7421} {CVE-2014-9644}\n[2.6.32-400.37.14uek]\n- KVM: add arg to ac_interception() missing from 'KVM: x86: work around infinite loop in microcode when #AC is delivered' (Chuck Anderson) [Orabug: 22336493] {CVE-2015-5307}\n[2.6.32-400.37.13uek]\n- KVM: svm: unconditionally intercept #DB (Paolo Bonzini) [Orabug: 22336518] {CVE-2015-8104} {CVE-2015-8104}\n- KVM: x86: work around infinite loop in microcode when #AC is delivered (Eric Northup) [Orabug: 22336493] {CVE-2015-5307} {CVE-2015-5307}", "modified": "2016-01-08T00:00:00", "published": "2016-01-08T00:00:00", "id": "ELSA-2016-3503", "href": "http://linux.oracle.com/errata/ELSA-2016-3503.html", "title": "Unbreakable Enterprise kernel security update", "type": "oraclelinux", "cvss": {"score": 6.9, "vector": "AV:LOCAL/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T01:43:57", "bulletinFamily": "unix", "description": "[2.6.39-400.264.13]\n- KEYS: Don't permit request_key() to construct a new keyring (David Howells) [Orabug: 22373449] {CVE-2015-7872}\n[2.6.39-400.264.12]\n- crypto: add missing crypto module aliases (Mathias Krause) [Orabug: 22249656] {CVE-2013-7421} {CVE-2014-9644}\n- crypto: include crypto- module prefix in template (Kees Cook) [Orabug: 22249656] {CVE-2013-7421} {CVE-2014-9644}\n- crypto: prefix module autoloading with 'crypto-' (Kees Cook) [Orabug: 22249656] {CVE-2013-7421} {CVE-2014-9644}\n[2.6.39-400.264.11]\n- KVM: x86: Don't report guest userspace emulation error to userspace (Nadav Amit) [Orabug: 22249615] {CVE-2010-5313} {CVE-2014-7842}\n[2.6.39-400.264.9]\n- msg_unlock() in wrong spot after applying 'Initialize msg/shm IPC objects before doing ipc_addid()' (Chuck Anderson) [Orabug: 22250044] {CVE-2015-7613} {CVE-2015-7613}\n[2.6.39-400.264.8]\n- ipc/sem.c: fully initialize sem_array before making it visible (Manfred Spraul) [Orabug: 22250044] {CVE-2015-7613}\n- Initialize msg/shm IPC objects before doing ipc_addid() (Linus Torvalds) [Orabug: 22250044] {CVE-2015-7613}\n[2.6.39-400.264.7]\n- KVM: svm: unconditionally intercept #DB (Paolo Bonzini) [Orabug: 22333698] {CVE-2015-8104} {CVE-2015-8104}\n- KVM: x86: work around infinite loop in microcode when #AC is delivered (Eric Northup) [Orabug: 22333689] {CVE-2015-5307} {CVE-2015-5307}\n[2.6.39-400.264.6]\n- mlx4_core: Introduce restrictions for PD update (Ajaykumar Hotchandani) \n- IPoIB: Drop priv->lock before calling ipoib_send() (Wengang Wang) \n- IPoIB: serialize changing on tx_outstanding (Wengang Wang) [Orabug: 21861366] \n- IB/mlx4: Implement IB_QP_CREATE_USE_GFP_NOIO (Jiri Kosina) \n- IB: Add a QP creation flag to use GFP_NOIO allocations (Or Gerlitz) \n- IB: Return error for unsupported QP creation flags (Or Gerlitz) \n- IB/ipoib: Calculate csum only when skb->ip_summed is CHECKSUM_PARTIAL (Yuval Shaia) [Orabug: 20873175]", "modified": "2016-01-08T00:00:00", "published": "2016-01-08T00:00:00", "id": "ELSA-2016-3502", "href": "http://linux.oracle.com/errata/ELSA-2016-3502.html", "title": "Unbreakable Enterprise kernel security update", "type": "oraclelinux", "cvss": {"score": 6.9, "vector": "AV:LOCAL/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "xen": [{"lastseen": "2016-09-04T11:24:07", "bulletinFamily": "software", "description": "#### ISSUE DESCRIPTION\nWhen a benign exception occurs while delivering another benign exception, it is architecturally specified that these would be delivered sequentially. There are, however, cases where this results in an infinite loop inside the CPU, which (in the virtualized case) can be broken only by intercepting delivery of the respective exception.\nArchitecturally, at least some of these cases should also be resolvable by an arriving NMI or external interrupt, but empirically this has been determined to not be the case.\nThe cases affecting Xen are:\n#AC (Alignment Check Exception, CVE-2015-5307): When a 32-bit guest sets up the IDT entry corresponding to this exception to reference a ring-3 handler, and when ring 3 code triggers the exception while running with an unaligned stack pointer, delivering the exception will re-encounter #AC, ending in an infinite loop.\n#DB (Debug Exception, CVE-2015-8104): When a guest sets up a hardware breakpoint covering a data structure involved in delivering #DB, upon completion of the delivery of the first exception another #DB will need to be delivered. The effects slightly differ depending on further guest characteristics:\n- - Guests running in 32-bit mode would be expected to sooner or later encounter another fault due to the stack pointer decreasing during each iteration of the loop. The most likely case would be #PF (Page Fault) due to running into unmapped virtual space. However, an infinite loop cannot be excluded (e.g. when the guest is running with paging disabled).\n- - Guests running in long mode, but not using the IST (Interrupt Stack Table) feature for the IDT entry corresponding to #DB would behave similarly to guests running in 32-bit mode, just that the larger virtual address space allows for a much longer loop. The loop can&#39;t, however, be infinite, as eventually the stack pointer would move into non-canonical address space, causing #SS (Stack Fault) instead.\n- - Guests running in long mode and using IST for the IDT entry corresponding to #DB would enter an infinite loop, as the stack pointer wouldn&#39;t change between #DB instances.\n#### IMPACT\nA malicious HVM guest administrator can cause a denial of service. Specifically, prevent use of a physical CPU for a significant, perhaps indefinite period.\nIf a host watchdog (Xen or dom0) is in use, this can lead to a watchdog timeout and consequently a reboot of the host. If another, innocent, guest, is configured with a watchdog, this issue can lead to a reboot of such a guest.\nIt is possible that a guest kernel might expose the #AC vulnerability to malicious unprivileged guest users (by permitting #AC to be handled in guest user mode). However, we believe that almost all ordinary operating system kernels do not permit this; we are not aware of any exceptions. (A guest kernel which exposed the #AC vulnerability to guest userspace would be vulnerable when running on baremetal, without Xen involved.)\n #### VULNERABLE SYSTEMS\nThe vulnerability is exposed to any x86 HVM guest.\nARM is not vulnerable. x86 PV VMs are not vulnerable.\nAll versions of Xen are affected.\nx86 CPUs from all manufacturers are affected.\n", "modified": "2015-11-10T00:07:00", "published": "2015-11-10T00:01:00", "id": "XSA-156", "href": "http://xenbits.xen.org/xsa/advisory-156.html", "title": "x86: CPU lockup during exception delivery", "type": "xen", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}], "centos": [{"lastseen": "2017-10-03T18:26:15", "bulletinFamily": "unix", "description": "**CentOS Errata and Security Advisory** CESA-2015:2552\n\n\nThe kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* On Intel Xeon v5 platforms, the processor frequency was always tied to\nthe highest possible frequency. Switching p-states on these client\nplatforms failed. This update sets the idle frequency, busy frequency, and\nprocessor frequency values by determining the range and adjusting the\nminimal and maximal percent limit values. Now, switching p-states on the\naforementioned client platforms proceeds successfully. (BZ#1273926)\n\n* Due to a validation error of in-kernel memory-mapped I/O (MMIO) tracing,\na VM became previously unresponsive when connected to Red Hat Enterprise\nVirtualization Hypervisor. The provided patch fixes this bug by dropping\nthe check in MMIO handler, and a VM continues running as expected.\n(BZ#1275150)\n\n* Due to retry-able command errors, the NVMe driver previously leaked I/O\ndescriptors and DMA mappings. As a consequence, the kernel could become\nunresponsive during the hot-unplug operation if a driver was removed.\nThis update fixes the driver memory leak bug on command retries, and the\nkernel no longer hangs in this situation. (BZ#1279792)\n\n* The hybrid_dma_data() function was not initialized before use, which\ncaused an invalid memory access when hot-plugging a PCI card. As a\nconsequence, a kernel oops occurred. The provided patch makes sure\nhybrid_dma_data() is initialized before use, and the kernel oops no longer\noccurs in this situation. (BZ#1279793)\n\n* When running PowerPC (PPC) KVM guests and the host was experiencing a lot\nof page faults, for example because it was running low on memory, the host\nsometimes triggered an incorrect kind of interrupt in the guest: a data\nstorage exception instead of a data segment exception. This caused a kernel\npanic of the PPC KVM guest. With this update, the host kernel synthesizes a\nsegment fault if the corresponding Segment Lookaside Buffer (SLB) lookup\nfails, which prevents the kernel panic from occurring. (BZ#1281423)\n\n* The kernel accessed an incorrect area of the khugepaged process causing\nLogical Partitioning (LPAR) to become unresponsive, and an oops occurred in\nmedlp5. The backported upstream patch prevents an LPAR hang, and the oops\nno longer occurs. (BZ#1281424)\n\n* When the sctp module was loaded and a route to an association endpoint\nwas removed after receiving an Out-of-The-Blue (OOTB) chunk but before\nincrementing the \"dropped because of missing route\" SNMP statistic, a Null\nPointer Dereference kernel panic previously occurred. This update fixes the\nrace condition between OOTB response and route removal. (BZ#1281426)\n\n* The cpuscaling test of the certification test suite previously failed due\nto a rounding bug in the intel-pstate driver. This bug has been fixed and\nthe cpuscaling test now passes. (BZ#1281491)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.\n\n**Merged security bulletin from advisories:**\nhttp://lists.centos.org/pipermail/centos-cr-announce/2015-December/002732.html\n\n**Affected packages:**\nkernel\nkernel-abi-whitelists\nkernel-debug\nkernel-debug-devel\nkernel-devel\nkernel-doc\nkernel-headers\nkernel-tools\nkernel-tools-libs\nkernel-tools-libs-devel\nperf\npython-perf\n\n**Upstream details at:**\nhttps://rhn.redhat.com/errata/RHSA-2015-2552.html", "modified": "2015-12-09T19:18:47", "published": "2015-12-09T19:18:47", "href": "http://lists.centos.org/pipermail/centos-cr-announce/2015-December/002732.html", "id": "CESA-2015:2552", "title": "kernel, perf, python security update", "type": "centos", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2017-10-03T18:26:40", "bulletinFamily": "unix", "description": "**CentOS Errata and Security Advisory** CESA-2015:2636\n\n\nThe kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* A flaw was found in the way the Linux kernel's file system implementation\nhandled rename operations in which the source was inside and the\ndestination was outside of a bind mount. A privileged user inside a\ncontainer could use this flaw to escape the bind mount and, potentially,\nescalate their privileges on the system. (CVE-2015-2925, Important)\n\n* It was found that the x86 ISA (Instruction Set Architecture) is prone to\na denial of service attack inside a virtualized environment in the form of\nan infinite loop in the microcode due to the way (sequential) delivering of\nbenign exceptions such as #AC (alignment check exception) and #DB (debug\nexception) is handled. A privileged user inside a guest could use these\nflaws to create denial of service conditions on the host kernel.\n(CVE-2015-5307, CVE-2015-8104, Important)\n\n* A race condition flaw was found in the way the Linux kernel's IPC\nsubsystem initialized certain fields in an IPC object structure that were\nlater used for permission checking before inserting the object into a\nglobally visible list. A local, unprivileged user could potentially use\nthis flaw to elevate their privileges on the system. (CVE-2015-7613,\nImportant)\n\n* It was found that the Linux kernel's keys subsystem did not correctly\ngarbage collect uninstantiated keyrings. A local attacker could use this\nflaw to crash the system or, potentially, escalate their privileges on\nthe system. (CVE-2015-7872, Important)\n\nRed Hat would like to thank Ben Serebrin of Google Inc. for reporting the\nCVE-2015-5307 issue.\n\nThis update also fixes the following bugs:\n\n* Previously, Human Interface Device (HID) ran a report on an unaligned\nbuffer, which could cause a page fault interrupt and an oops when the end\nof the report was read. This update fixes this bug by padding the end of\nthe report with extra bytes, so the reading of the report never crosses a\npage boundary. As a result, a page fault and subsequent oops no longer\noccur. (BZ#1268203)\n\n* The NFS client was previously failing to detect a directory loop for some\nNFS server directory structures. This failure could cause NFS inodes to\nremain referenced after attempting to unmount the file system, leading to a\nkernel crash. Loop checks have been added to VFS, which effectively\nprevents this problem from occurring. (BZ#1272858)\n\n* Due to a race whereby the nfs_wb_pages_cancel() and\nnfs_commit_release_pages() calls both removed a request from the nfs_inode\nstruct type, the kernel panicked with negative nfs_inode.npages count.\nThe provided upstream patch performs the required serialization by holding\nthe inode i_lock over the check of PagePrivate and locking the request,\nthus preventing the race and kernel panic from occurring. (BZ#1273721)\n\n* Due to incorrect URB_ISO_ASAP semantics, playing an audio file using a\nUSB sound card could previously fail for some hardware configurations.\nThis update fixes the bug, and playing audio from a USB sound card now\nworks as expected. (BZ#1273916)\n\n* Inside hugetlb, region data structures were protected by a combination of\na memory map semaphore and a single hugetlb instance mutex. However, a\npage-fault scalability improvement backported to the kernel on previous\nreleases removed the single hugetlb instance mutex and introduced a new\nmutex table, making the locking combination insufficient, leading to\npossible race windows that could cause corruption and undefined behavior.\nThis update fixes the problem by introducing a required spinlock to the\nregion tracking functions for proper serialization. The problem only\naffects software using huge pages through hugetlb interface. (BZ#1274599)\n\nAll kernel users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. The system must be\nrebooted for this update to take effect.\n\n\n**Merged security bulletin from advisories:**\nhttp://lists.centos.org/pipermail/centos-announce/2015-December/021541.html\n\n**Affected packages:**\nkernel\nkernel-abi-whitelists\nkernel-debug\nkernel-debug-devel\nkernel-devel\nkernel-doc\nkernel-firmware\nkernel-headers\nperf\npython-perf\n\n**Upstream details at:**\nhttps://rhn.redhat.com/errata/RHSA-2015-2636.html", "modified": "2015-12-16T00:07:51", "published": "2015-12-16T00:07:51", "href": "http://lists.centos.org/pipermail/centos-announce/2015-December/021541.html", "id": "CESA-2015:2636", "title": "kernel, perf, python security update", "type": "centos", "cvss": {"score": 6.9, "vector": "AV:LOCAL/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "freebsd": [{"lastseen": "2018-08-31T01:14:30", "bulletinFamily": "unix", "description": "\nThe Xen Project reports:\n\nA malicious HVM guest administrator can cause a denial of service.\n\t Specifically, prevent use of a physical CPU for a significant,\n\t perhaps indefinite period. If a host watchdog (Xen or dom0) is in\n\t use, this can lead to a watchdog timeout and consequently a reboot\n\t of the host. If another, innocent, guest, is configured with a\n\t watchdog, this issue can lead to a reboot of such a guest.\n\n", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "2CABFBAB-8BFB-11E5-BD18-002590263BF5", "href": "https://vuxml.freebsd.org/freebsd/2cabfbab-8bfb-11e5-bd18-002590263bf5.html", "title": "xen-kernel -- CPU lockup during exception delivery", "type": "freebsd", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}], "debian": [{"lastseen": "2018-10-16T22:14:06", "bulletinFamily": "unix", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-3454-1 security@debian.org\nhttps://www.debian.org/security/ Moritz Muehlenhoff\nJanuary 27, 2016 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : virtualbox\nCVE ID : CVE-2015-5307 CVE-2015-8104 CVE-2016-0495 CVE-2016-0592\n\nMultiple vulnerabilities have been discovered in VirtualBox, an x86\nvirtualisation solution.\n\nUpstream support for the 4.1 release series has ended and since no\ninformation is available which would allow backports of isolated security\nfixes, security support for virtualbox in wheezy/oldstable needed to be\nended as well.\nIf you use virtualbox with externally procured VMs (e.g. through vagrant)\nwe advise you to update to Debian jessie.\n\nFor the stable distribution (jessie), these problems have been fixed in\nversion 4.3.36-dfsg-1+deb8u1.\n\nFor the testing distribution (stretch), these problems have been fixed\nin version 5.0.14-dfsg-1.\n\nFor the unstable distribution (sid), these problems have been fixed in\nversion 5.0.14-dfsg-1.\n\nWe recommend that you upgrade your virtualbox packages.\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n", "modified": "2016-01-26T23:25:16", "published": "2016-01-26T23:25:16", "id": "DEBIAN:DSA-3454-1:3BA83", "href": "https://lists.debian.org/debian-security-announce/debian-security-announce-2016/msg00024.html", "title": "[SECURITY] [DSA 3454-1] virtualbox security update", "type": "debian", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}], "kaspersky": [{"lastseen": "2019-02-19T17:03:22", "bulletinFamily": "info", "description": "### *Detect date*:\n02/21/2016\n\n### *Severity*:\nCritical\n\n### *Description*:\nAn unspecified vulnerabilities were found in Oracle VirtualBox. By exploiting these vulnerabilities malicious users can affect availability, integrity and confidentiality. These vulnerabilities can be exploited remotely via an unknown vectors related to Core and Windows Installer.\n\n### *Affected products*:\nOracle VM VirtualBox versions earlier than 5.0.14\n\n### *Solution*:\nUpdate to the latest version \n[Get VirtualBox](<https://www.virtualbox.org/wiki/Downloads>)\n\n### *Original advisories*:\n[Oracle bulletin](<http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html#AppendixOVIR>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Oracle VirtualBox](<https://threats.kaspersky.com/en/product/Oracle-VirtualBox/>)\n\n### *CVE-IDS*:\n[CVE-2015-5307](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5307>) \n[CVE-2015-8104](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8104>) \n[CVE-2015-7183](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7183>) \n[CVE-2016-0602](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0602>) \n[CVE-2016-0495](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0495>) \n[CVE-2016-0592](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0592>)", "modified": "2019-02-15T00:00:00", "published": "2016-02-21T00:00:00", "id": "KLA10744", "href": "https://threats.kaspersky.com/en/vulnerability/KLA10744", "title": "\r KLA10744Multiple vulnerabilities in Oracle VM VirtualBox ", "type": "kaspersky", "cvss": {"score": 7.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}], "ubuntu": [{"lastseen": "2018-08-31T00:10:26", "bulletinFamily": "unix", "description": "Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "USN-2807-1", "href": "https://usn.ubuntu.com/2807-1/", "title": "Linux kernel (Wily HWE) vulnerability", "type": "ubuntu", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T00:10:19", "bulletinFamily": "unix", "description": "Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "USN-2805-1", "href": "https://usn.ubuntu.com/2805-1/", "title": "Linux kernel (Utopic HWE) vulnerability", "type": "ubuntu", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T00:08:33", "bulletinFamily": "unix", "description": "Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "USN-2800-1", "href": "https://usn.ubuntu.com/2800-1/", "title": "Linux kernel vulnerability", "type": "ubuntu", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T00:10:29", "bulletinFamily": "unix", "description": "Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "USN-2802-1", "href": "https://usn.ubuntu.com/2802-1/", "title": "Linux kernel vulnerability", "type": "ubuntu", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T00:10:23", "bulletinFamily": "unix", "description": "Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "USN-2806-1", "href": "https://usn.ubuntu.com/2806-1/", "title": "Linux kernel (Vivid HWE) vulnerability", "type": "ubuntu", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T00:10:27", "bulletinFamily": "unix", "description": "Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "USN-2803-1", "href": "https://usn.ubuntu.com/2803-1/", "title": "Linux kernel vulnerability", "type": "ubuntu", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T00:10:12", "bulletinFamily": "unix", "description": "Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "USN-2804-1", "href": "https://usn.ubuntu.com/2804-1/", "title": "Linux kernel (Trusty HWE) vulnerability", "type": "ubuntu", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T00:09:53", "bulletinFamily": "unix", "description": "Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.", "modified": "2015-11-10T00:00:00", "published": "2015-11-10T00:00:00", "id": "USN-2801-1", "href": "https://usn.ubuntu.com/2801-1/", "title": "Linux kernel vulnerability", "type": "ubuntu", "cvss": {"score": 4.9, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T00:09:53", "bulletinFamily": "unix", "description": "Dmitry Vyukov discovered that the Linux kernel\u2019s keyring handler attempted to garbage collect incompletely instantiated keys. A local unprivileged attacker could use this to cause a denial of service (system crash). (CVE-2015-7872)\n\nJan Beulich discovered that the KVM svm hypervisor implementation in the Linux kernel did not properly catch Debug exceptions on AMD processors. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS. (CVE-2015-8104)", "modified": "2015-12-17T00:00:00", "published": "2015-12-17T00:00:00", "id": "USN-2840-1", "href": "https://usn.ubuntu.com/2840-1/", "title": "Linux kernel vulnerabilities", "type": "ubuntu", "cvss": {"score": 4.7, "vector": "AV:LOCAL/AC:MEDIUM/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}], "suse": [{"lastseen": "2016-09-04T12:46:26", "bulletinFamily": "unix", "description": "The SUSE Linux Enterprise 11 SP3 Realtime kernel was updated to receive\n various security and bugfixes.\n\n Following security bugs were fixed:\n - CVE-2015-8104: The KVM subsystem in the Linux kernel allowed guest OS\n users to cause a denial of service (host OS panic or hang) by triggering\n many #DB (aka Debug) exceptions, related to svm.c (bnc#954404).\n - CVE-2015-5307: The KVM subsystem in the Linux kernel allowed guest OS\n users to cause a denial of service (host OS panic or hang) by triggering\n many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c\n (bnc#953527).\n - CVE-2015-7990: RDS: Verify the underlying transport exists before\n creating a connection, preventing possible DoS (bsc#952384,\n CVE-2015-7990).\n - CVE-2015-5157: arch/x86/entry/entry_64.S in the Linux kernel on the\n x86_64 platform mishandled IRET faults in processing NMIs that\n occurred during userspace execution, which might allow local users to\n gain privileges by triggering an NMI (bnc#937969 bnc#937970 bnc#938706\n bnc#939207).\n - CVE-2015-7872: The key_gc_unused_keys function in security/keys/gc.c in\n the Linux kernel allowed local users to cause a denial of service (OOPS)\n via crafted keyctl commands (bnc#951440).\n - CVE-2015-8215: net/ipv6/addrconf.c in the IPv6 stack in the Linux kernel\n did not validate attempted changes to the MTU value, which allowed\n context-dependent attackers to cause a denial of service (packet loss)\n via a value that is (1) smaller than the minimum compliant value or (2)\n larger than the MTU of an interface, as demonstrated by a Router\n Advertisement (RA) message that is not validated by a daemon, a\n different vulnerability than CVE-2015-0272. NOTE: the scope of\n CVE-2015-0272 is limited to the NetworkManager product. (bnc#955354).\n - CVE-2015-6937: The __rds_conn_create function in net/rds/connection.c in\n the Linux kernel allowed local users to cause a denial of service (NULL\n pointer dereference and system crash) or possibly have unspecified\n other impact by using a socket that was not properly bound (bnc#945825).\n - CVE-2015-6252: The vhost_dev_ioctl function in drivers/vhost/vhost.c in\n the Linux kernel allowed local users to cause a denial of service\n (memory consumption) via a VHOST_SET_LOG_FD ioctl call that triggers\n permanent file-descriptor allocation (bnc#942367).\n\n The following non-security bugs were fixed:\n - alsa: hda - Disable 64bit address for Creative HDA controllers\n (bnc#814440).\n - btrfs: fix hang when failing to submit bio of directIO (bnc#942688).\n - btrfs: fix memory corruption on failure to submit bio for direct IO\n (bnc#942688).\n - btrfs: fix put dio bio twice when we submit dio bio fail (bnc#942688).\n - dm: do not start current request if it would've merged with the previous\n (bsc#904348).\n - dm: impose configurable deadline for dm_request_fn's merge heuristic\n (bsc#904348).\n - dm-snap: avoid deadock on s-&amp;gt;lock when a read is split (bsc#939826).\n - dm sysfs: introduce ability to add writable attributes (bsc#904348).\n - drm/i915: Add bit field to record which pins have received HPD events\n (v3) (bsc#942938).\n - drm/I915: Add enum hpd_pin to intel_encoder (bsc#942938).\n - drm/i915: add hotplug activation period to hotplug update mask\n (bsc#953980).\n - drm/i915: Add HPD IRQ storm detection (v5) (bsc#942938).\n - drm/i915: Add messages useful for HPD storm detection debugging (v2)\n (bsc#942938).\n - drm/i915: Add Reenable Timer to turn Hotplug Detection back on (v4)\n (bsc#942938).\n - drm/i915: assert_spin_locked for pipestat interrupt enable/disable\n (bsc#942938).\n - drm/i915: Avoid race of intel_crt_detect_hotplug() with HPD interrupt\n (bsc#942938).\n - drm/i915: Avoid race of intel_crt_detect_hotplug() with HPD interrupt,\n v2 (bsc#942938).\n - drm/i915: clear crt hotplug compare voltage field before setting\n (bsc#942938).\n - drm/i915: close tiny race in the ilk pcu even interrupt setup\n (bsc#942938).\n - drm/i915: Convert HPD interrupts to make use of HPD pin assignment in\n encoders (v2) (bsc#942938).\n - drm/i915: Disable HPD interrupt on pin when irq storm is detected (v3)\n (bsc#942938).\n - drm/i915: Do not WARN nor handle unexpected hpd interrupts on gmch\n platforms (bsc#942938).\n - drm/i915: Enable hotplug interrupts after querying hw capabilities\n (bsc#942938).\n - drm/i915: Fix DDC probe for passive adapters (bsc#900610, fdo#85924).\n - drm/i915: fix hotplug event bit tracking (bsc#942938).\n - drm/i915: Fix hotplug interrupt enabling for SDVOC (bsc#942938).\n - drm/i915: fix hpd interrupt register locking (bsc#942938).\n - drm/i915: fix hpd work vs. flush_work in the pageflip code deadlock\n (bsc#942938).\n - drm/i915: fix locking around ironlake_enable|disable_display_irq\n (bsc#942938).\n - drm/i915: Fix up sdvo hpd pins for i965g/gm (bsc#942938).\n - drm/i915: fold the hpd_irq_setup call into intel_hpd_irq_handler\n (bsc#942938).\n - drm/i915: fold the no-irq check into intel_hpd_irq_handler (bsc#942938).\n - drm/i915: fold the queue_work into intel_hpd_irq_handler (bsc#942938).\n - drm/i915: Get rid if the &quot;hotplug_supported_mask&quot; in struct\n drm_i915_private (bsc#942938).\n - drm/i915: implement ibx_hpd_irq_setup (bsc#942938).\n - drm/i915: Make hpd arrays big enough to avoid out of bounds access\n (bsc#942938).\n - drm/i915: Mask out the HPD irq bits before setting them individually\n (bsc#942938).\n - drm/i915: Only print hotplug event message when hotplug bit is set\n (bsc#942938).\n - drm/i915: Only reprobe display on encoder which has received an HPD\n event (v2) (bsc#942938).\n - drm/i915: Queue reenable timer also when enable_hotplug_processing is\n false (bsc#942938).\n - drm/i915: (re)init HPD interrupt storm statistics (bsc#942938).\n - drm/i915: Remove i965_hpd_irq_setup (bsc#942938).\n - drm/i915: Remove pch_rq_mask from struct drm_i915_private (bsc#942938).\n - drm/i915: Remove valleyview_hpd_irq_setup (bsc#942938).\n - drm/i915: s/hotplug_irq_storm_detect/intel_hpd_irq_handler/ (bsc#942938).\n - drm/i915: Use an interrupt save spinlock in intel_hpd_irq_handler()\n (bsc#942938).\n - drm/i915: WARN_ONCE() about unexpected interrupts for all chipsets\n (bsc#942938).\n - ehci-pci: enable interrupt on BayTrail (bnc926007).\n - Fixing wording in patch comment (bsc#923002)\n - fix lpfc_send_rscn_event allocation size claims bnc#935757\n - hugetlb: simplify migrate_huge_page() (bnc#947957, VM Functionality).\n - hwpoison, hugetlb: lock_page/unlock_page does not match for handling a\n free hugepage (bnc#947957, VM Functionality).\n - IB/iser: Add Discovery support (bsc#923002).\n - IB/iser: Move informational messages from error to info level\n (bsc#923002).\n - IB/srp: Avoid skipping srp_reset_host() after a transport error\n (bsc#904965).\n - IB/srp: Fix a sporadic crash triggered by cable pulling (bsc#904965).\n - inotify: Fix nested sleeps in inotify_read() (bsc#940925).\n - ipv6: fix tunnel error handling (bsc#952579).\n - ipv6: probe routes asynchronous in rt6_probe (bsc#936118).\n - ipvs: drop first packet to dead server (bsc#946078).\n - ipvs: Fix reuse connection if real server is dead (bnc#945827).\n - kabi: patches.fixes/mm-make-page-pfmemalloc-check-more-robust.patch\n (bnc#920016).\n - KEYS: Fix race between key destruction and finding a keyring by name\n (bsc#951440).\n - ktime: add ktime_after and ktime_before helpe (bsc#904348).\n - libiscsi: Exporting new attrs for iscsi session and connection in sysfs\n (bsc#923002).\n - lib/string.c: introduce memchr_inv() (bnc#930788).\n - macvlan: Support bonding events bsc#948521\n - Make sure XPRT_CONNECTING gets cleared when needed (bsc#946309).\n - memory-failure: do code refactor of soft_offline_page() (bnc#947957, VM\n Functionality).\n - memory-failure: fix an error of mce_bad_pages statistics (bnc#947957, VM\n Functionality).\n - memory-failure: use num_poisoned_pages instead of mce_bad_pages\n (bnc#947957, VM Functionality).\n - memory-hotplug: update mce_bad_pages when removing the memory\n (bnc#947957, VM Functionality).\n - mm: exclude reserved pages from dirtyable memory 32b fix (bnc#940017,\n bnc#949298).\n - mm: make page pfmemalloc check more robust (bnc#920016).\n - mm/memory-failure.c: fix wrong num_poisoned_pages in handling memory\n error on thp (bnc#947957, VM Functionality).\n - mm/memory-failure.c: recheck PageHuge() after hugetlb page migrate\n successfully (bnc#947957, VM Functionality).\n - mm/migrate.c: pair unlock_page() and lock_page() when migrating huge\n pages (bnc#947957, VM Functionality).\n - Modified -rt patches: 344 of 435, useless noise elided.\n - Moved iscsi kabi patch to patches.kabi (bsc#923002)\n - netfilter: nf_conntrack_proto_sctp: minimal multihoming support\n (bsc#932350).\n - PCI: Add dev_flags bit to access VPD through function 0 (bnc#943786).\n - pci: Add flag indicating device has been assigned by KVM (bnc#777565\n FATE#313819).\n - PCI: Add VPD function 0 quirk for Intel Ethernet devices (bnc#943786).\n - PCI: Clear NumVFs when disabling SR-IOV in sriov_init() (bnc#952084).\n - PCI: delay configuration of SRIOV capability (bnc#952084).\n - PCI: Refresh First VF Offset and VF Stride when updating NumVFs\n (bnc#952084).\n - PCI: set pci sriov page size before reading SRIOV BAR (bnc#952084).\n - PCI: Update NumVFs register when disabling SR-IOV (bnc#952084).\n - pktgen: clean up ktime_t helpers (bsc#904348).\n - qla2xxx: do not clear slot in outstanding cmd array (bsc#944993).\n - qla2xxx: Do not reset adapter if SRB handle is in range (bsc#944993).\n - qla2xxx: Remove decrement of sp reference count in abort handler\n (bsc#944993).\n - r8169: remember WOL preferences on driver load (bsc#942305).\n - rcu: Eliminate deadlock between CPU hotplug and expedited grace periods\n (bsc#949706).\n - Refresh patches.xen/1282-usbback-limit-copying.patch (bsc#941202).\n - Rename kabi patch appropriately (bsc#923002)\n - rtc: cmos: Cancel alarm timer if alarm time is equal to now+1 seconds\n (bsc#930145).\n - sched/core: Fix task and run queue sched_info::run_delay inconsistencies\n (bnc#949100).\n - scsi: fix scsi_error_handler vs. scsi_host_dev_release race (bnc#942204).\n - SCSI: hosts: update to use ida_simple for host_no (bsc#939926)\n - SCSI: kabi: allow iscsi disocvery session support (bsc#923002).\n - scsi_transport_iscsi: Exporting new attrs for iscsi session and\n connection in sysfs (bsc#923002).\n - sg: fix read() error reporting (bsc#926774).\n - Update patches.fixes/fanotify-fix-deadlock-during-thread-exit.patch\n (bsc#935053, bsc#926709). Add bug reference.\n - usb: xhci: apply XHCI_AVOID_BEI quirk to all Intel xHCI controllers\n (bnc#944989).\n - USB: xhci: do not start a halted endpoint before its new dequeue is set\n (bnc#933721).\n - usb: xhci: handle Config Error Change (CEC) in xhci driver (bnc#933721).\n - usb: xhci: Prefer endpoint context dequeue pointer over stopped_trb\n (bnc#933721).\n - USB: xhci: Reset a halted endpoint immediately when we encounter a stall\n (bnc#933721).\n - x86: mm: drop TLB flush from ptep_set_access_flags (bsc#948330).\n - x86: mm: only do a local tlb flush in ptep_set_access_flags()\n (bsc#948330).\n - x86/tsc: Change Fast TSC calibration failed from error to info\n (bnc#942605).\n - xfs: add background scanning to clear eofblocks inodes (bnc#930788).\n - xfs: add EOFBLOCKS inode tagging/untagging (bnc#930788).\n - xfs: add inode id filtering to eofblocks scan (bnc#930788).\n - xfs: add minimum file size filtering to eofblocks scan (bnc#930788).\n - xfs: add XFS_IOC_FREE_EOFBLOCKS ioctl (bnc#930788).\n - xfs: create function to scan and clear EOFBLOCKS inodes (bnc#930788).\n - xfs: create helper to check whether to free eofblocks on inode\n (bnc#930788).\n - xfs: Fix lost direct IO write in the last block (bsc#949744).\n - xfs: Fix softlockup in xfs_inode_ag_walk() (bsc#948347).\n - xfs: introduce a common helper xfs_icluster_size_fsb (bsc#932805).\n - xfs: make xfs_free_eofblocks() non-static, return EAGAIN on trylock\n failure (bnc#930788).\n - xfs: support a tag-based inode_ag_iterator (bnc#930788).\n - xfs: support multiple inode id filtering in eofblocks scan (bnc#930788).\n - xfs: use xfs_icluster_size_fsb in xfs_bulkstat (bsc#932805).\n - xfs: use xfs_icluster_size_fsb in xfs_ialloc_inode_init (bsc#932805).\n - xfs: use xfs_icluster_size_fsb in xfs_ifree_cluster (bsc#932805).\n - xfs: use xfs_icluster_size_fsb in xfs_imap (bsc#932805).\n - xhci: Add spurious wakeup quirk for LynxPoint-LP controllers\n (bnc#949981).\n - xhci: Allocate correct amount of scratchpad buffers (bnc#933721).\n - xhci: Calculate old endpoints correctly on device reset (bnc#944831).\n - xhci: change xhci 1.0 only restrictions to support xhci 1.1 (bnc#949502).\n - xhci: Do not enable/disable RWE on bus suspend/resume (bnc#933721).\n - xhci: do not report PLC when link is in internal resume state\n (bnc#933721).\n - xhci: fix isoc endpoint dequeue from advancing too far on transaction\n error (bnc#944837).\n - xhci: fix reporting of 0-sized URBs in control endpoint (bnc#933721).\n - xhci: For streams the css flag most be read from the stream-ctx on ep\n stop (bnc#945691).\n - xhci: report U3 when link is in resume state (bnc#933721).\n - xhci: rework cycle bit checking for new dequeue pointers (bnc#933721).\n - xhci: Solve full event ring by increasing TRBS_PER_SEGMENT to 256\n (bnc#933721).\n - xhci: Treat not finding the event_seg on COMP_STOP the same as\n COMP_STOP_INVAL (bnc#933721).\n - XHCI: use uninterruptible sleep for waiting for internal operations\n (bnc#939955).\n - xhci: Workaround for PME stuck issues in Intel xhci (bnc#933721).\n\n", "modified": "2016-02-05T21:12:31", "published": "2016-02-05T21:12:31", "id": "SUSE-SU-2016:0354-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html", "title": "Security update for the Linux Kernel (important)", "type": "suse", "cvss": {"score": 7.8, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}, {"lastseen": "2016-09-04T12:36:14", "bulletinFamily": "unix", "description": "The SUSE Linux Enterprise 12 kernel was updated to 3.12.51 to receive\n various security and bugfixes.\n\n Following security bugs were fixed:\n - CVE-2015-7799: The slhc_init function in drivers/net/slip/slhc.c in the\n Linux kernel did not ensure that certain slot numbers were valid, which\n allowed local users to cause a denial of service (NULL pointer\n dereference and system crash) via a crafted PPPIOCSMAXCID ioctl call\n (bnc#949936).\n - CVE-2015-5283: The sctp_init function in net/sctp/protocol.c in the\n Linux kernel had an incorrect sequence of protocol-initialization steps,\n which allowed local users to cause a denial of service (panic or memory\n corruption) by creating SCTP sockets before all of the steps have\n finished (bnc#947155).\n - CVE-2015-2925: The prepend_path function in fs/dcache.c in the Linux\n kernel did not properly handle rename actions inside a bind mount, which\n allowed local users to bypass an intended container protection mechanism\n by renaming a directory, related to a &quot;double-chroot attack (bnc#926238).\n - CVE-2015-8104: The KVM subsystem in the Linux kernel allowed guest OS\n users to cause a denial of service (host OS panic or hang) by triggering\n many #DB (aka Debug) exceptions, related to svm.c (bnc#954404).\n - CVE-2015-5307: The KVM subsystem in the Linux kernel allowed guest OS\n users to cause a denial of service (host OS panic or hang) by triggering\n many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c\n (bnc#953527).\n - CVE-2015-7990: RDS: There was no verification that an underlying\n transport exists when creating a connection, causing usage of a NULL\n pointer (bsc#952384).\n - CVE-2015-7872: The key_gc_unused_keys function in security/keys/gc.c in\n the Linux kernel allowed local users to cause a denial of service (OOPS)\n via crafted keyctl commands (bnc#951440).\n - CVE-2015-0272: Missing checks allowed remote attackers to cause a denial\n of service (IPv6 traffic disruption) via a crafted MTU value in an IPv6\n Router Advertisement (RA) message, a different vulnerability than\n CVE-2015-8215 (bnc#944296).\n\n The following non-security bugs were fixed:\n - ALSA: hda - Disable 64bit address for Creative HDA controllers\n (bnc#814440).\n - Add PCI IDs of Intel Sunrise Point-H SATA Controller S232/236\n (bsc#953796).\n - Btrfs: fix file corruption and data loss after cloning inline extents\n (bnc#956053).\n - Btrfs: fix truncation of compressed and inlined extents (bnc#956053).\n - Disable some ppc64le netfilter modules to restore the kabi (bsc#951546)\n - Fix regression in NFSRDMA server (bsc#951110).\n - KEYS: Fix race between key destruction and finding a keyring by name\n (bsc#951440).\n - KVM: x86: call irq notifiers with directed EOI (bsc#950862).\n - NVMe: Add shutdown timeout as module parameter (bnc#936076).\n - NVMe: Mismatched host/device page size support (bsc#935961).\n - PCI: Drop &quot;setting latency timer&quot; messages (bsc#956047).\n - SCSI: Fix hard lockup in scsi_remove_target() (bsc#944749).\n - SCSI: hosts: update to use ida_simple for host_no (bsc#939926)\n - SUNRPC: Fix oops when trace sunrpc_task events in nfs client\n (bnc#956703).\n - Sync ppc64le netfilter config options with other archs (bnc#951546)\n - Update kabi files with sbc_parse_cdb symbol change (bsc#954635).\n - apparmor: allow SYS_CAP_RESOURCE to be sufficient to prlimit another\n task (bsc#921949).\n - apparmor: temporary work around for bug while unloading policy\n (boo#941867).\n - audit: correctly record file names with different path name types\n (bsc#950013).\n - audit: create private file name copies when auditing inodes (bsc#950013).\n - cpu: Defer smpboot kthread unparking until CPU known to scheduler\n (bsc#936773).\n - dlm: make posix locks interruptible, (bsc#947241).\n - dm sysfs: introduce ability to add writable attributes (bsc#904348).\n - dm-snap: avoid deadock on s-&gt;lock when a read is split (bsc#939826).\n - dm: do not start current request if it would've merged with the previous\n (bsc#904348).\n - dm: impose configurable deadline for dm_request_fn's merge heuristic\n (bsc#904348).\n - dmapi: Fix xfs dmapi to not unlock and lock XFS_ILOCK_EXCL (bsc#949744).\n - drm/i915: Avoid race of intel_crt_detect_hotplug() with HPD interrupt,\n v2 (bsc#942938).\n - drm/i915: add hotplug activation period to hotplug update mask\n (bsc#953980).\n - fanotify: fix notification of groups with inode and mount marks\n (bsc#955533).\n - genirq: Make sure irq descriptors really exist when __irq_alloc_descs\n returns (bsc#945626).\n - hv: vss: run only on supported host versions (bnc#949504).\n - ipv4: Do not increase PMTU with Datagram Too Big message (bsc#955224).\n - ipv6: Check RTF_LOCAL on rt-&gt;rt6i_flags instead of rt-&gt;dst.flags\n (bsc#947321).\n - ipv6: Consider RTF_CACHE when searching the fib6 tree (bsc#947321).\n - ipv6: Extend the route lookups to low priority metrics (bsc#947321).\n - ipv6: Stop /128 route from disappearing after pmtu update (bsc#947321).\n - ipv6: Stop rt6_info from using inet_peer's metrics (bsc#947321).\n - ipv6: distinguish frag queues by device for multicast and link-local\n packets (bsc#955422).\n - ipvs: drop first packet to dead server (bsc#946078).\n - kABI: protect struct ahci_host_priv.\n - kABI: protect struct rt6_info changes from bsc#947321 changes\n (bsc#947321).\n - kabi: Hide rt6_* types from genksyms on ppc64le (bsc#951546).\n - kabi: Restore kabi in struct iscsi_tpg_attrib (bsc#954635).\n - kabi: Restore kabi in struct se_cmd (bsc#954635).\n - kabi: Restore kabi in struct se_subsystem_api (bsc#954635).\n - kabi: protect skb_copy_and_csum_datagram_iovec() signature (bsc#951199).\n - kgr: fix migration of kthreads to the new universe.\n - kgr: wake up kthreads periodically.\n - ktime: add ktime_after and ktime_before helper (bsc#904348).\n - macvlan: Support bonding events (bsc#948521).\n - net: add length argument to skb_copy_and_csum_datagram_iovec\n (bsc#951199).\n - net: handle null iovec pointer in skb_copy_and_csum_datagram_iovec()\n (bsc#951199).\n - pci: Update VPD size with correct length (bsc#924493).\n - rcu: Eliminate deadlock between CPU hotplug and expedited grace periods\n (bsc#949706).\n - ring-buffer: Always run per-cpu ring buffer resize with\n schedule_work_on() (bnc#956711).\n - route: Use ipv4_mtu instead of raw rt_pmtu (bsc#955224).\n - rtc: cmos: Cancel alarm timer if alarm time is equal to now+1 seconds\n (bsc#930145).\n - rtc: cmos: Revert &quot;rtc-cmos: Add an alarm disable quirk&quot; (bsc#930145).\n - sched/core: Fix task and run queue sched_info::run_delay inconsistencies\n (bnc#949100).\n - sunrpc/cache: make cache flushing more reliable (bsc#947478).\n - supported.conf: Add missing dependencies of supported modules hwmon_vid\n needed by nct6775 hwmon_vid needed by w83627ehf reed_solomon needed by\n ramoops\n - supported.conf: Fix dependencies on ppc64le of_mdio needed by mdio-gpio\n - target/pr: fix core_scsi3_pr_seq_non_holder() caller (bnc#952666).\n - target/rbd: fix COMPARE AND WRITE page vector leak (bnc#948831).\n - target/rbd: fix PR info memory leaks (bnc#948831).\n - target: Send UA upon LUN RESET tmr completion (bsc#933514).\n - target: use &quot;^A&quot; when allocating UAs (bsc#933514).\n - usbvision fix overflow of interfaces array (bnc#950998).\n - vmxnet3: Fix ethtool -S to return correct rx queue stats (bsc#950750).\n - vmxnet3: adjust ring sizes when interface is down (bsc#950750).\n - x86/efi: Fix boot crash by mapping EFI memmap entries bottom-up at\n runtime, instead of top-down (bsc#940853).\n - x86/evtchn: make use of PHYSDEVOP_map_pirq.\n - x86/mm/hotplug: Modify PGD entry when removing memory (VM Functionality,\n bnc#955148).\n - x86/mm/hotplug: Pass sync_global_pgds() a correct argument in\n remove_pagetable() (VM Functionality, bnc#955148).\n - xfs: DIO needs an ioend for writes (bsc#949744).\n - xfs: DIO write completion size updates race (bsc#949744).\n - xfs: DIO writes within EOF do not need an ioend (bsc#949744).\n - xfs: always drain dio before extending aio write submission (bsc#949744).\n - xfs: direct IO EOF zeroing needs to drain AIO (bsc#949744).\n - xfs: do not allocate an ioend for direct I/O completions (bsc#949744).\n - xfs: factor DIO write mapping from get_blocks (bsc#949744).\n - xfs: handle DIO overwrite EOF update completion correctly (bsc#949744).\n - xfs: move DIO mapping size calculation (bsc#949744).\n - xfs: using generic_file_direct_write() is unnecessary (bsc#949744).\n - xhci: Add spurious wakeup quirk for LynxPoint-LP controllers\n (bnc#951165).\n - xhci: change xhci 1.0 only restrictions to support xhci 1.1 (bnc#949463).\n\n", "modified": "2015-12-04T14:10:52", "published": "2015-12-04T14:10:52", "id": "SUSE-SU-2015:2194-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html", "title": "Security update for the Linux Kernel (important)", "type": "suse", "cvss": {"score": 6.9, "vector": "AV:LOCAL/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2016-09-04T12:33:55", "bulletinFamily": "unix", "description": "The SUSE Linux Enterprise 11 Service Pack 3 kernel was updated to receive\n various security and bugfixes.\n\n Following security bugs were fixed:\n - CVE-2015-8104: Prevent guest to host DoS caused by infinite loop in\n microcode via #DB exception (bsc#954404).\n - CVE-2015-5307: Prevent guest to host DoS caused by infinite loop in\n microcode via #AC exception (bsc#953527).\n - CVE-2015-7990: RDS: Verify the underlying transport exists before\n creating a connection, preventing possible DoS (bsc#952384).\n - CVE-2015-5157: arch/x86/entry/entry_64.S in the Linux kernel on the\n x86_64 platform mishandled IRET faults in processing NMIs that occurred\n during userspace execution, which might have allowed local users to gain\n privileges by triggering an NMI (bsc#938706).\n - CVE-2015-7872: Possible crash when trying to garbage collect an\n uninstantiated keyring (bsc#951440).\n - CVE-2015-0272: Prevent remote DoS using IPv6 RA with bogus MTU by\n validating before applying it (bsc#944296).\n - CVE-2015-6937: The __rds_conn_create function in net/rds/connection.c in\n the Linux kernel allowed local users to cause a denial of service (NULL\n pointer dereference and system crash) or possibly have unspecified other\n impact by using a socket that was not properly bound (bsc#945825).\n - CVE-2015-6252: The vhost_dev_ioctl function in drivers/vhost/vhost.c in\n the Linux kernel allowed local users to cause a denial of service\n (memory consumption) via a VHOST_SET_LOG_FD ioctl call that triggered\n permanent file-descriptor allocation (bsc#942367).\n\n The following non-security bugs were fixed:\n - alsa: hda - Disable 64bit address for Creative HDA controllers\n (bsc#814440).\n - btrfs: fix hang when failing to submit bio of directIO (bsc#942688).\n - btrfs: fix memory corruption on failure to submit bio for direct IO\n (bsc#942688).\n - btrfs: fix put dio bio twice when we submit dio bio fail (bsc#942688).\n - dm sysfs: introduce ability to add writable attributes (bsc#904348).\n - dm-snap: avoid deadock on s-&gt;lock when a read is split (bsc#939826).\n - dm: do not start current request if it would have merged with the\n previous (bsc#904348).\n - dm: impose configurable deadline for dm_request_fn merge heuristic\n (bsc#904348).\n - drm/i915: (re)init HPD interrupt storm statistics (bsc#942938).\n - drm/i915: Add HPD IRQ storm detection (v5) (bsc#942938).\n - drm/i915: Add Reenable Timer to turn Hotplug Detection back on (v4)\n (bsc#942938).\n - drm/i915: Add bit field to record which pins have received HPD events\n (v3) (bsc#942938).\n - drm/i915: Add enum hpd_pin to intel_encoder (bsc#942938).\n - drm/i915: Add messages useful for HPD storm detection debugging (v2)\n (bsc#942938).\n - drm/i915: Avoid race of intel_crt_detect_hotplug() with HPD interrupt\n (bsc#942938).\n - drm/i915: Convert HPD interrupts to make use of HPD pin assignment in\n encoders (v2) (bsc#942938).\n - drm/i915: Disable HPD interrupt on pin when irq storm is detected (v3)\n (bsc#942938).\n - drm/i915: Do not WARN nor handle unexpected hpd interrupts on gmch\n platforms (bsc#942938).\n - drm/i915: Enable hotplug interrupts after querying hw capabilities\n (bsc#942938).\n - drm/i915: Fix DDC probe for passive adapters (bsc#900610, fdo#85924).\n - drm/i915: Fix hotplug interrupt enabling for SDVOC (bsc#942938).\n - drm/i915: Fix up sdvo hpd pins for i965g/gm (bsc#942938).\n - drm/i915: Get rid if the &quot;^A&quot; in struct drm_i915_private (bsc#942938).\n - drm/i915: Make hpd arrays big enough to avoid out of bounds access\n (bsc#942938).\n - drm/i915: Mask out the HPD irq bits before setting them individually\n (bsc#942938).\n - drm/i915: Only print hotplug event message when hotplug bit is set\n (bsc#942938).\n - drm/i915: Only reprobe display on encoder which has received an HPD\n event (v2) (bsc#942938).\n - drm/i915: Queue reenable timer also when enable_hotplug_processing is\n false (bsc#942938).\n - drm/i915: Remove i965_hpd_irq_setup (bsc#942938).\n - drm/i915: Remove pch_rq_mask from struct drm_i915_private (bsc#942938).\n - drm/i915: Remove valleyview_hpd_irq_setup (bsc#942938).\n - drm/i915: Use an interrupt save spinlock in intel_hpd_irq_handler()\n (bsc#942938).\n - drm/i915: WARN_ONCE() about unexpected interrupts for all chipsets\n (bsc#942938).\n - drm/i915: add hotplug activation period to hotplug update mask\n (bsc#953980).\n - drm/i915: assert_spin_locked for pipestat interrupt enable/disable\n (bsc#942938).\n - drm/i915: clear crt hotplug compare voltage field before setting\n (bsc#942938).\n - drm/i915: close tiny race in the ilk pcu even interrupt setup\n (bsc#942938).\n - drm/i915: fix hotplug event bit tracking (bsc#942938).\n - drm/i915: fix hpd interrupt register locking (bsc#942938).\n - drm/i915: fix hpd work vs. flush_work in the pageflip code deadlock\n (bsc#942938).\n - drm/i915: fix locking around ironlake_enable|disable_display_irq\n (bsc#942938).\n - drm/i915: fold the hpd_irq_setup call into intel_hpd_irq_handler\n (bsc#942938).\n - drm/i915: fold the no-irq check into intel_hpd_irq_handler (bsc#942938).\n - drm/i915: fold the queue_work into intel_hpd_irq_handler (bsc#942938).\n - drm/i915: implement ibx_hpd_irq_setup (bsc#942938).\n - drm/i915: s/hotplug_irq_storm_detect/intel_hpd_irq_handler/ (bsc#942938).\n - ehci-pci: enable interrupt on BayTrail (bnc926007).\n - fix lpfc_send_rscn_event allocation size claims bsc#935757\n - hugetlb: simplify migrate_huge_page() (bsc#947957, VM Functionality).\n - hwpoison, hugetlb: lock_page/unlock_page does not match for handling a\n free hugepage (bsc#947957).\n - ib/iser: Add Discovery support (bsc#923002).\n - ib/iser: Move informational messages from error to info level\n (bsc#923002).\n - ib/srp: Avoid skipping srp_reset_host() after a transport error\n (bsc#904965).\n - ib/srp: Fix a sporadic crash triggered by cable pulling (bsc#904965).\n - inotify: Fix nested sleeps in inotify_read() (bsc#940925).\n - ipv6: fix tunnel error handling (bsc#952579).\n - ipv6: probe routes asynchronous in rt6_probe (bsc#936118).\n - ipvs: Fix reuse connection if real server is dead (bsc#945827).\n - ipvs: drop first packet to dead server (bsc#946078).\n - keys: Fix race between key destruction and finding a keyring by name\n (bsc#951440).\n - ktime: add ktime_after and ktime_before helpe (bsc#904348).\n - lib/string.c: introduce memchr_inv() (bsc#930788).\n - libiscsi: Exporting new attrs for iscsi session and connection in sysfs\n (bsc#923002).\n - macvlan: Support bonding events bsc#948521\n - make sure XPRT_CONNECTING gets cleared when needed (bsc#946309).\n - memory-failure: do code refactor of soft_offline_page() (bsc#947957).\n - memory-failure: fix an error of mce_bad_pages statistics (bsc#947957).\n - memory-failure: use num_poisoned_pages instead of mce_bad_pages\n (bsc#947957).\n - memory-hotplug: update mce_bad_pages when removing the memory\n (bsc#947957).\n - mm/memory-failure.c: fix wrong num_poisoned_pages in handling memory\n error on thp (bsc#947957).\n - mm/memory-failure.c: recheck PageHuge() after hugetlb page migrate\n successfully (bsc#947957).\n - mm/migrate.c: pair unlock_page() and lock_page() when migrating huge\n pages (bsc#947957).\n - mm: exclude reserved pages from dirtyable memory 32b fix (bsc#940017,\n bsc#949298).\n - mm: make page pfmemalloc check more robust (bsc#920016).\n - netfilter: nf_conntrack_proto_sctp: minimal multihoming support\n (bsc#932350).\n - pci: Add VPD function 0 quirk for Intel Ethernet devices (bsc#943786).\n - pci: Add dev_flags bit to access VPD through function 0 (bsc#943786).\n - pci: Add flag indicating device has been assigned by KVM (bsc#777565).\n - pci: Clear NumVFs when disabling SR-IOV in sriov_init() (bsc#952084).\n - pci: Refresh First VF Offset and VF Stride when updating NumVFs\n (bsc#952084).\n - pci: Update NumVFs register when disabling SR-IOV (bsc#952084).\n - pci: delay configuration of SRIOV capability (bsc#952084).\n - pci: set pci sriov page size before reading SRIOV BAR (bsc#952084).\n - pktgen: clean up ktime_t helpers (bsc#904348).\n - qla2xxx: Do not reset adapter if SRB handle is in range (bsc#944993).\n - qla2xxx: Remove decrement of sp reference count in abort handler\n (bsc#944993).\n - qla2xxx: do not clear slot in outstanding cmd array (bsc#944993).\n - r8169: remember WOL preferences on driver load (bsc#942305).\n - rcu: Eliminate deadlock between CPU hotplug and expedited grace periods\n (bsc#949706).\n - rtc: cmos: Cancel alarm timer if alarm time is equal to now+1 seconds\n (bsc#930145).\n - sched/core: Fix task and run queue sched_info::run_delay inconsistencies\n (bsc#949100).\n - scsi: fix scsi_error_handler vs. scsi_host_dev_release race (bsc#942204).\n - scsi: hosts: update to use ida_simple for host_no (bsc#939926)\n - scsi: kabi: allow iscsi disocvery session support (bsc#923002).\n - scsi_transport_iscsi: Exporting new attrs for iscsi session and\n connection in sysfs (bsc#923002).\n - sg: fix read() error reporting (bsc#926774).\n - usb: xhci: Prefer endpoint context dequeue pointer over stopped_trb\n (bsc#933721).\n - usb: xhci: Reset a halted endpoint immediately when we encounter a stall\n (bsc#933721).\n - usb: xhci: apply XHCI_AVOID_BEI quirk to all Intel xHCI controllers\n (bsc#944989).\n - usb: xhci: do not start a halted endpoint before its new dequeue is set\n (bsc#933721).\n - usb: xhci: handle Config Error Change (CEC) in xhci driver (bsc#933721).\n - x86/tsc: Change Fast TSC calibration failed from error to info\n (bsc#942605).\n - x86: mm: drop TLB flush from ptep_set_access_flags (bsc#948330).\n - x86: mm: only do a local tlb flush in ptep_set_access_flags()\n (bsc#948330).\n - xfs: Fix lost direct IO write in the last block (bsc#949744).\n - xfs: Fix softlockup in xfs_inode_ag_walk() (bsc#948347).\n - xfs: add EOFBLOCKS inode tagging/untagging (bsc#930788).\n - xfs: add XFS_IOC_FREE_EOFBLOCKS ioctl (bsc#930788).\n - xfs: add background scanning to clear eofblocks inodes (bsc#930788).\n - xfs: add inode id filtering to eofblocks scan (bsc#930788).\n - xfs: add minimum file size filtering to eofblocks scan (bsc#930788).\n - xfs: create function to scan and clear EOFBLOCKS inodes (bsc#930788).\n - xfs: create helper to check whether to free eofblocks on inode\n (bsc#930788).\n - xfs: introduce a common helper xfs_icluster_size_fsb (bsc#932805).\n - xfs: make xfs_free_eofblocks() non-static, return EAGAIN on trylock\n failure (bsc#930788).\n - xfs: support a tag-based inode_ag_iterator (bsc#930788).\n - xfs: support multiple inode id filtering in eofblocks scan (bsc#930788).\n - xfs: use xfs_icluster_size_fsb in xfs_bulkstat (bsc#932805).\n - xfs: use xfs_icluster_size_fsb in xfs_ialloc_inode_init (bsc#932805).\n - xfs: use xfs_icluster_size_fsb in xfs_ifree_cluster (bsc#932805).\n - xfs: use xfs_icluster_size_fsb in xfs_imap (bsc#932805).\n - xhci: Add spurious wakeup quirk for LynxPoint-LP controllers\n (bsc#949981).\n - xhci: Allocate correct amount of scratchpad buffers (bsc#933721).\n - xhci: Calculate old endpoints correctly on device reset (bsc#944831).\n - xhci: Do not enable/disable RWE on bus suspend/resume (bsc#933721).\n - xhci: For streams the css flag most be read from the stream-ctx on ep\n stop (bsc#945691).\n - xhci: Solve full event ring by increasing TRBS_PER_SEGMENT to 256\n (bsc#933721).\n - xhci: Treat not finding the event_seg on COMP_STOP the same as\n COMP_STOP_INVAL (bsc#933721).\n - xhci: Workaround for PME stuck issues in Intel xhci (bsc#933721).\n - xhci: change xhci 1.0 only restrictions to support xhci 1.1 (bsc#949502).\n - xhci: do not report PLC when link is in internal resume state\n (bsc#933721).\n - xhci: fix isoc endpoint dequeue from advancing too far on transaction\n error (bsc#944837).\n - xhci: fix reporting of 0-sized URBs in control endpoint (bsc#933721).\n - xhci: report U3 when link is in resume state (bsc#933721).\n - xhci: rework cycle bit checking for new dequeue pointers (bsc#933721).\n - xhci: use uninterruptible sleep for waiting for internal operations\n (bsc#939955).\n\n", "modified": "2015-11-26T13:10:56", "published": "2015-11-26T13:10:56", "id": "SUSE-SU-2015:2108-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html", "type": "suse", "title": "Security update for the Linux Kernel (important)", "cvss": {"score": 7.8, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}]}