The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.
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<https://launchpad.net/bugs/1546173>\n\n\n#### Notes\n\nAuthor| Note \n---|--- \n[jdstrand](<https://launchpad.net/~jdstrand>) | android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2016-02-15T00:00:00", "type": "ubuntucve", "title": "CVE-2016-2383", "bulletinFamily": "info", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, 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(bsc#969356).\n\n - CVE-2015-7799: The slhc_init function in drivers/net/slip/slhc.c in the Linux kernel did not ensure that certain slot numbers are valid, which allowed local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted PPPIOCSMAXCID ioctl call (bnc#949936 951638).\n\n - CVE-2015-7872: The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel allowed local users to cause a denial of service (OOPS) via crafted keyctl commands (bnc#951440).\n\n - CVE-2015-7884: The vivid_fb_ioctl function in drivers/media/platform/vivid/vivid-osd.c in the Linux kernel did not initialize a certain structure member, which allowed local users to obtain sensitive information from kernel memory via a crafted application (bnc#951626).\n\n - CVE-2015-8104: The KVM subsystem in the Linux kernel allowed guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB (aka Debug) exceptions, related to svm.c (bnc#954404).\n\n - CVE-2015-8709: kernel/ptrace.c in the Linux kernel mishandled uid and gid mappings, which allowed local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call. 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NOTE: the vendor states 'there is no\n kernel bug here (bnc#959709).\n\n - CVE-2015-8767: net/sctp/sm_sideeffect.c in the Linux\n kernel did not properly manage the relationship between\n a lock and a socket, which allowed local users to cause\n a denial of service (deadlock) via a crafted sctp_accept\n call. 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As\n discussed in\n http://lists.opensuse.org/opensuse-kernel/2015-11/msg000\n 46.html\n\n - drm/i915: Fix double unref in intelfb_alloc failure path\n (boo#962866, boo#966179).\n\n - drm/i915: Fix failure paths around initial fbdev\n allocation (boo#962866, boo#966179).\n\n - drm/i915: Pin the ifbdev for the info->system_base GGTT\n mmapping (boo#962866, boo#966179).\n\n - e1000e: Avoid divide by zero error (bsc#965125).\n\n - e1000e: fix division by zero on jumbo MTUs (bsc#965125).\n\n - e1000e: fix systim issues (bsc#965125).\n\n - e1000e: Fix tight loop implementation of systime read\n algorithm (bsc#965125).\n\n - ibmvnic: Fix ibmvnic_capability struct.\n\n - intel: Disable Skylake support in intel_idle driver\n again (boo#969582) This turned out to bring a regression\n on some machines, unfortunately. It should be addressed\n in the upstream at first.\n\n - intel_idle: allow idle states to be freeze-mode specific\n (boo#969582).\n\n - intel_idle: Skylake Client Support (boo#969582).\n\n - intel_idle: Skylake Client Support - updated\n (boo#969582).\n\n - libceph: fix scatterlist last_piece calculation\n (bsc#963746).\n\n - lio: Add LIO clustered RBD backend (fate#318836)\n\n - net kabi fixes for 4.1.19.\n\n - numa patches updated to v15\n\n - ocfs2: fix dlmglue deadlock issue(bnc#962257)\n\n - pci: thunder: Add driver for ThunderX-pass(1,2) on-chip\n devices\n\n - pci: thunder: Add PCIe host driver for ThunderX\n processors\n\n - sd: Optimal I/O size is in bytes, not sectors\n (boo#961263).\n\n - sd: Reject optimal transfer length smaller than page\n size (boo#961263).\n\n - series.conf: move cxgb3 patch to network drivers section\"\n );\n # http://lists.opensuse.org/opensuse-kernel/2015-11/msg00046.html\n script_set_attribute(\n attribute:\"see_also\",\n 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flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-ec2-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-ec2-base-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-ec2-base-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-ec2-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-ec2-debugsource-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-ec2-devel-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pae-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pae-base-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pae-base-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pae-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pae-debugsource-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pae-devel-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pv-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pv-base-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pv-base-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pv-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pv-debugsource-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-pv-devel-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-vanilla-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-vanilla-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-vanilla-debugsource-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-vanilla-devel-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-xen-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-xen-base-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-xen-base-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-xen-debuginfo-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-xen-debugsource-4.1.20-11.1\") ) flag++;\nif ( rpm_check(release:\"SUSE42.1\", cpu:\"x86_64\", reference:\"kernel-xen-devel-4.1.20-11.1\") ) flag++;\n\nif (flag)\n{\n if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());\n else security_hole(0);\n exit(0);\n}\nelse\n{\n tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, \"kernel-debug / kernel-debug-base / kernel-debug-base-debuginfo / etc\");\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2021-10-09T00:26:07", "description": "According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :\n\n - The hid_input_field() function in 'drivers/hid/hid-core.c' in the Linux kernel before 4.6 allows physically proximate attackers to obtain sensitive information from kernel memory or cause a denial of service (out-of-bounds read) by connecting a device.(CVE-2016-7915i1/4%0\n\n - The Linux kernel, before version 4.14.2, is vulnerable to a deadlock caused by fs/ocfs2/file.c:ocfs2_setattr(), as the function does not wait for DIO requests before locking the inode.\n This can be exploited by local users to cause a subsequent denial of service.(CVE-2017-18204i1/4%0\n\n - The vmw_gb_surface_define_ioctl function (accessible via DRM_IOCTL_VMW_GB_SURFACE_CREATE) in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel through 4.11.4 defines a backup_handle variable but does not give it an initial value. If one attempts to create a GB surface, with a previously allocated DMA buffer to be used as a backup buffer, the backup_handle variable does not get written to and is then later returned to user space, allowing local users to obtain sensitive information from uninitialized kernel memory via a crafted ioctl call.(CVE-2017-9605i1/4%0\n\n - Use-after-free vulnerability in the nfqnl_zcopy function in net/netfilter/nfnetlink_queue_core.c in the Linux kernel through 3.13.6 allows attackers to obtain sensitive information from kernel memory by leveraging the absence of a certain orphaning operation. NOTE: the affected code was moved to the skb_zerocopy function in net/core/skbuff.c before the vulnerability was announced.(CVE-2014-2568i1/4%0\n\n - It was found that the Linux kernel's ISO file system implementation did not correctly limit the traversal of Rock Ridge extension Continuation Entries (CE). An attacker with physical access to the system could use this flaw to trigger an infinite loop in the kernel, resulting in a denial of service.(CVE-2014-9420i1/4%0\n\n - An integer overflow vulnerability was found in the ring_buffer_resize() calculations in which a privileged user can adjust the size of the ringbuffer message size. These calculations can create an issue where the kernel memory allocator will not allocate the correct count of pages yet expect them to be usable. This can lead to the ftrace() output to appear to corrupt kernel memory and possibly be used for privileged escalation or more likely kernel panic.(CVE-2016-9754i1/4%0\n\n - A symlink size validation was missing in Linux kernels built with UDF file system (CONFIG_UDF_FS) support, allowing the corruption of kernel memory. An attacker able to mount a corrupted/malicious UDF file system image could cause the kernel to crash.(CVE-2014-9730i1/4%0\n\n - In was found that in the Linux kernel, in vmw_surface_define_ioctl() function in 'drivers/gpu/drm/vmwgfx/vmwgfx_surface.c' file, a 'num_sizes' parameter is assigned a user-controlled value which is not checked if it is zero. This is used in a call to kmalloc() and later leads to dereferencing ZERO_SIZE_PTR, which in turn leads to a GPF and possibly to a kernel panic.(CVE-2017-7261i1/4%0\n\n - A race condition flaw was found in the way the Linux kernel keys management subsystem performed key garbage collection. A local attacker could attempt accessing a key while it was being garbage collected, which would cause the system to crash.(CVE-2014-9529i1/4%0\n\n - A flaw was found in the Linux kernel's implementation of i8042 serial ports. An attacker could cause a kernel panic if they are able to add and remove devices as the module is loaded.(CVE-2017-18079i1/4%0\n\n - drivers/hid/hid-pl.c in the Human Interface Device (HID) subsystem in the Linux kernel through 3.11, when CONFIG_HID_PANTHERLORD is enabled, allows physically proximate attackers to cause a denial of service (heap-based out-of-bounds write) via a crafted device.(CVE-2013-2892i1/4%0\n\n - The __clear_user function in arch/arm64/lib/clear_user.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary.(CVE-2014-7843i1/4%0\n\n - A divide-by-zero vulnerability was found in a way the kernel processes TCP connections. The error can occur if a connection starts another cwnd reduction phase by setting tp-i1/4zprior_cwnd to the current cwnd (0) in tcp_init_cwnd_reduction(). A remote, unauthenticated attacker could use this flaw to crash the kernel (denial of service).(CVE-2016-2070i1/4%0\n\n - The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.(CVE-2016-2383i1/4%0\n\n - System using the infiniband support module ib_srpt were vulnerable to a denial of service by system crash by a local attacker who is able to abort writes to a device using this initiator.(CVE-2016-6327i1/4%0\n\n - A security flaw was found in the Linux kernel in the mark_source_chains() function in 'net/ipv4/netfilter/ip_tables.c'. It is possible for a user-supplied 'ipt_entry' structure to have a large 'next_offset' field. This field is not bounds checked prior to writing to a counter value at the supplied offset.(CVE-2016-3134i1/4%0\n\n - An out-of-bounds access issue was discovered in yurex_read() in drivers/usb/misc/yurex.c in the Linux kernel. A local attacker could use user access read/writes with incorrect bounds checking in the yurex USB driver to crash the kernel or potentially escalate privileges.(CVE-2018-16276i1/4%0\n\n - drivers/media/v4l2-core/videobuf2-v4l2.c in the Linux kernel before 4.5.3 allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a crafted number of planes in a VIDIOC_DQBUF ioctl call.(CVE-2016-4568i1/4%0\n\n - The usb_serial_console_disconnect function in drivers/usb/serial/console.c in the Linux kernel, before 4.13.8, allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device, related to disconnection and failed setup.(CVE-2017-16525i1/4%0\n\n - The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/xattr.c:ext4_xattr_inode_hash() function. An attacker could trick a legitimate user or a privileged attacker could exploit this to cause a NULL pointer dereference with a crafted ext4 image.\n (CVE-2018-1094)\n\nNote that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {}, "published": "2019-05-13T00:00:00", "type": "nessus", "title": "EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1472)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2013-2892", "CVE-2014-2568", "CVE-2014-7843", "CVE-2014-9420", "CVE-2014-9529", "CVE-2014-9730", "CVE-2016-2070", "CVE-2016-2383", "CVE-2016-3134", "CVE-2016-4568", "CVE-2016-6327", "CVE-2016-7915", "CVE-2016-9754", "CVE-2017-16525", "CVE-2017-18079", "CVE-2017-18204", "CVE-2017-7261", "CVE-2017-9605", "CVE-2018-1094", "CVE-2018-16276"], "modified": "2021-01-06T00:00:00", "cpe": ["p-cpe:/a:huawei:euleros:kernel", "p-cpe:/a:huawei:euleros:kernel-devel", "p-cpe:/a:huawei:euleros:kernel-headers", "p-cpe:/a:huawei:euleros:kernel-tools", "p-cpe:/a:huawei:euleros:kernel-tools-libs", "p-cpe:/a:huawei:euleros:kernel-tools-libs-devel", "p-cpe:/a:huawei:euleros:perf", "p-cpe:/a:huawei:euleros:python-perf", "cpe:/o:huawei:euleros:uvp:3.0.1.0"], "id": "EULEROS_SA-2019-1472.NASL", "href": "https://www.tenable.com/plugins/nessus/124796", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(124796);\n script_version(\"1.8\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/01/06\");\n\n script_cve_id(\n \"CVE-2013-2892\",\n \"CVE-2014-2568\",\n \"CVE-2014-7843\",\n \"CVE-2014-9420\",\n \"CVE-2014-9529\",\n \"CVE-2014-9730\",\n \"CVE-2016-2070\",\n \"CVE-2016-2383\",\n \"CVE-2016-3134\",\n \"CVE-2016-4568\",\n \"CVE-2016-6327\",\n \"CVE-2016-7915\",\n \"CVE-2016-9754\",\n \"CVE-2017-16525\",\n \"CVE-2017-18079\",\n \"CVE-2017-18204\",\n \"CVE-2017-7261\",\n \"CVE-2017-9605\",\n \"CVE-2018-1094\",\n \"CVE-2018-16276\"\n );\n script_bugtraq_id(\n 62049,\n 66348,\n 71082,\n 71717,\n 71880,\n 74964\n );\n\n script_name(english:\"EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1472)\");\n script_summary(english:\"Checks the rpm output for the updated packages.\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote EulerOS Virtualization for ARM 64 host is missing multiple security\nupdates.\");\n script_set_attribute(attribute:\"description\", value:\n\"According to the versions of the kernel packages installed, the\nEulerOS Virtualization for ARM 64 installation on the remote host is\naffected by the following vulnerabilities :\n\n - The hid_input_field() function in\n 'drivers/hid/hid-core.c' in the Linux kernel before 4.6\n allows physically proximate attackers to obtain\n sensitive information from kernel memory or cause a\n denial of service (out-of-bounds read) by connecting a\n device.(CVE-2016-7915i1/4%0\n\n - The Linux kernel, before version 4.14.2, is vulnerable\n to a deadlock caused by\n fs/ocfs2/file.c:ocfs2_setattr(), as the function does\n not wait for DIO requests before locking the inode.\n This can be exploited by local users to cause a\n subsequent denial of service.(CVE-2017-18204i1/4%0\n\n - The vmw_gb_surface_define_ioctl function (accessible\n via DRM_IOCTL_VMW_GB_SURFACE_CREATE) in\n drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux\n kernel through 4.11.4 defines a backup_handle variable\n but does not give it an initial value. If one attempts\n to create a GB surface, with a previously allocated DMA\n buffer to be used as a backup buffer, the backup_handle\n variable does not get written to and is then later\n returned to user space, allowing local users to obtain\n sensitive information from uninitialized kernel memory\n via a crafted ioctl call.(CVE-2017-9605i1/4%0\n\n - Use-after-free vulnerability in the nfqnl_zcopy\n function in net/netfilter/nfnetlink_queue_core.c in the\n Linux kernel through 3.13.6 allows attackers to obtain\n sensitive information from kernel memory by leveraging\n the absence of a certain orphaning operation. NOTE: the\n affected code was moved to the skb_zerocopy function in\n net/core/skbuff.c before the vulnerability was\n announced.(CVE-2014-2568i1/4%0\n\n - It was found that the Linux kernel's ISO file system\n implementation did not correctly limit the traversal of\n Rock Ridge extension Continuation Entries (CE). An\n attacker with physical access to the system could use\n this flaw to trigger an infinite loop in the kernel,\n resulting in a denial of service.(CVE-2014-9420i1/4%0\n\n - An integer overflow vulnerability was found in the\n ring_buffer_resize() calculations in which a privileged\n user can adjust the size of the ringbuffer message\n size. These calculations can create an issue where the\n kernel memory allocator will not allocate the correct\n count of pages yet expect them to be usable. This can\n lead to the ftrace() output to appear to corrupt kernel\n memory and possibly be used for privileged escalation\n or more likely kernel panic.(CVE-2016-9754i1/4%0\n\n - A symlink size validation was missing in Linux kernels\n built with UDF file system (CONFIG_UDF_FS) support,\n allowing the corruption of kernel memory. An attacker\n able to mount a corrupted/malicious UDF file system\n image could cause the kernel to crash.(CVE-2014-9730i1/4%0\n\n - In was found that in the Linux kernel, in\n vmw_surface_define_ioctl() function in\n 'drivers/gpu/drm/vmwgfx/vmwgfx_surface.c' file, a\n 'num_sizes' parameter is assigned a user-controlled\n value which is not checked if it is zero. This is used\n in a call to kmalloc() and later leads to dereferencing\n ZERO_SIZE_PTR, which in turn leads to a GPF and\n possibly to a kernel panic.(CVE-2017-7261i1/4%0\n\n - A race condition flaw was found in the way the Linux\n kernel keys management subsystem performed key garbage\n collection. A local attacker could attempt accessing a\n key while it was being garbage collected, which would\n cause the system to crash.(CVE-2014-9529i1/4%0\n\n - A flaw was found in the Linux kernel's implementation\n of i8042 serial ports. An attacker could cause a kernel\n panic if they are able to add and remove devices as the\n module is loaded.(CVE-2017-18079i1/4%0\n\n - drivers/hid/hid-pl.c in the Human Interface Device\n (HID) subsystem in the Linux kernel through 3.11, when\n CONFIG_HID_PANTHERLORD is enabled, allows physically\n proximate attackers to cause a denial of service\n (heap-based out-of-bounds write) via a crafted\n device.(CVE-2013-2892i1/4%0\n\n - The __clear_user function in\n arch/arm64/lib/clear_user.S in the Linux kernel before\n 3.17.4 on the ARM64 platform allows local users to\n cause a denial of service (system crash) by reading one\n byte beyond a /dev/zero page boundary.(CVE-2014-7843i1/4%0\n\n - A divide-by-zero vulnerability was found in a way the\n kernel processes TCP connections. The error can occur\n if a connection starts another cwnd reduction phase by\n setting tp-i1/4zprior_cwnd to the current cwnd (0) in\n tcp_init_cwnd_reduction(). A remote, unauthenticated\n attacker could use this flaw to crash the kernel\n (denial of service).(CVE-2016-2070i1/4%0\n\n - The adjust_branches function in kernel/bpf/verifier.c\n in the Linux kernel before 4.5 does not consider the\n delta in the backward-jump case, which allows local\n users to obtain sensitive information from kernel\n memory by creating a packet filter and then loading\n crafted BPF instructions.(CVE-2016-2383i1/4%0\n\n - System using the infiniband support module ib_srpt were\n vulnerable to a denial of service by system crash by a\n local attacker who is able to abort writes to a device\n using this initiator.(CVE-2016-6327i1/4%0\n\n - A security flaw was found in the Linux kernel in the\n mark_source_chains() function in\n 'net/ipv4/netfilter/ip_tables.c'. It is possible for a\n user-supplied 'ipt_entry' structure to have a large\n 'next_offset' field. This field is not bounds checked\n prior to writing to a counter value at the supplied\n offset.(CVE-2016-3134i1/4%0\n\n - An out-of-bounds access issue was discovered in\n yurex_read() in drivers/usb/misc/yurex.c in the Linux\n kernel. A local attacker could use user access\n read/writes with incorrect bounds checking in the yurex\n USB driver to crash the kernel or potentially escalate\n privileges.(CVE-2018-16276i1/4%0\n\n - drivers/media/v4l2-core/videobuf2-v4l2.c in the Linux\n kernel before 4.5.3 allows local users to cause a\n denial of service (kernel memory write operation) or\n possibly have unspecified other impact via a crafted\n number of planes in a VIDIOC_DQBUF ioctl\n call.(CVE-2016-4568i1/4%0\n\n - The usb_serial_console_disconnect function in\n drivers/usb/serial/console.c in the Linux kernel,\n before 4.13.8, allows local users to cause a denial of\n service (use-after-free and system crash) or possibly\n have unspecified other impact via a crafted USB device,\n related to disconnection and failed\n setup.(CVE-2017-16525i1/4%0\n\n - The Linux kernel is vulnerable to a NULL pointer\n dereference in the ext4/xattr.c:ext4_xattr_inode_hash()\n function. An attacker could trick a legitimate user or\n a privileged attacker could exploit this to cause a\n NULL pointer dereference with a crafted ext4 image.\n (CVE-2018-1094)\n\nNote that Tenable Network Security has extracted the preceding\ndescription block directly from the EulerOS security advisory. Tenable\nhas attempted to automatically clean and format it as much as possible\nwithout introducing additional issues.\");\n # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2019-1472\n script_set_attribute(attribute:\"see_also\", value:\"http://www.nessus.org/u?349d271e\");\n script_set_attribute(attribute:\"solution\", value:\n\"Update the affected kernel packages.\");\n script_set_cvss_base_vector(\"CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C\");\n script_set_cvss_temporal_vector(\"CVSS2#E:POC/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:P/RL:O/RC:C\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2018-16276\");\n script_set_attribute(attribute:\"exploitability_ease\", value:\"Exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"true\");\n\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2019/05/09\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2019/05/13\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:kernel\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:kernel-devel\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:kernel-headers\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:kernel-tools\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:kernel-tools-libs\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:kernel-tools-libs-devel\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:perf\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:python-perf\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:huawei:euleros:uvp:3.0.1.0\");\n script_set_attribute(attribute:\"generated_plugin\", value:\"current\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_family(english:\"Huawei Local Security Checks\");\n\n script_copyright(english:\"This script is Copyright (C) 2019-2021 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/cpu\", \"Host/EulerOS/release\", \"Host/EulerOS/rpm-list\", \"Host/EulerOS/uvp_version\");\n\n exit(0);\n}\n\ninclude(\"audit.inc\");\ninclude(\"global_settings.inc\");\ninclude(\"rpm.inc\");\n\nif (!get_kb_item(\"Host/local_checks_enabled\")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\n\nrelease = get_kb_item(\"Host/EulerOS/release\");\nif (isnull(release) || release !~ \"^EulerOS\") audit(AUDIT_OS_NOT, \"EulerOS\");\nuvp = get_kb_item(\"Host/EulerOS/uvp_version\");\nif (uvp != \"3.0.1.0\") audit(AUDIT_OS_NOT, \"EulerOS Virtualization 3.0.1.0\");\nif (!get_kb_item(\"Host/EulerOS/rpm-list\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\ncpu = get_kb_item(\"Host/cpu\");\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif (\"x86_64\" >!< cpu && cpu !~ \"^i[3-6]86$\" && \"aarch64\" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, \"EulerOS\", cpu);\nif (\"aarch64\" >!< cpu) audit(AUDIT_ARCH_NOT, \"aarch64\", cpu);\n\nflag = 0;\n\npkgs = [\"kernel-4.19.28-1.2.117\",\n \"kernel-devel-4.19.28-1.2.117\",\n \"kernel-headers-4.19.28-1.2.117\",\n \"kernel-tools-4.19.28-1.2.117\",\n \"kernel-tools-libs-4.19.28-1.2.117\",\n \"kernel-tools-libs-devel-4.19.28-1.2.117\",\n \"perf-4.19.28-1.2.117\",\n \"python-perf-4.19.28-1.2.117\"];\n\nforeach (pkg in pkgs)\n if (rpm_check(release:\"EulerOS-2.0\", reference:pkg)) flag++;\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, \"kernel\");\n}\n", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "amazon": [{"lastseen": "2023-06-03T15:26:08", "description": "**Issue Overview:**\n\nWhen running as a Xen 64-bit PV guest, user mode processes not supposed to be able to access I/O ports may be granted such permission, potentially resulting in one or more of in-guest privilege escalation, guest crashes (Denial of Service), or in-guest information leaks. (CVE-2016-3157)\n\nIn some cases, the kernel did not correctly fix backward jumps in a new eBPF program, which could allow arbitrary reads. (CVE-2016-2383)\n\nThe kernel incorrectly accounted for the number of in-flight fds over a unix domain socket to the original opener of the file descriptor. Another process could arbitrarily deplete the original file opener's maximum open files resource limit. (CVE-2016-2550)\n\nA resource-exhaustion vulnerability was found in the kernel, where an unprivileged process could allocate and accumulate far more file descriptors than the process' limit. A local, unauthenticated user could exploit this flaw by sending file descriptors over a Unix socket and then closing them to keep the process' fd count low, thereby creating kernel-memory or file-descriptors exhaustion (denial of service). (CVE-2016-2847) \n\n\n \n**Affected Packages:** \n\n\nkernel\n\n \n**Issue Correction:** \nRun _yum update kernel_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n i686: \n \u00a0\u00a0\u00a0 perf-debuginfo-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 kernel-headers-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 kernel-devel-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 kernel-debuginfo-common-i686-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 kernel-tools-devel-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 kernel-tools-debuginfo-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 kernel-tools-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 kernel-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 kernel-debuginfo-4.1.19-24.31.amzn1.i686 \n \u00a0\u00a0\u00a0 perf-4.1.19-24.31.amzn1.i686 \n \n noarch: \n \u00a0\u00a0\u00a0 kernel-doc-4.1.19-24.31.amzn1.noarch \n \n src: \n \u00a0\u00a0\u00a0 kernel-4.1.19-24.31.amzn1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 kernel-tools-debuginfo-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 kernel-tools-devel-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 kernel-devel-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 kernel-headers-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 kernel-debuginfo-common-x86_64-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 kernel-tools-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 kernel-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 perf-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 perf-debuginfo-4.1.19-24.31.amzn1.x86_64 \n \u00a0\u00a0\u00a0 kernel-debuginfo-4.1.19-24.31.amzn1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2016-2383](<https://access.redhat.com/security/cve/CVE-2016-2383>), [CVE-2016-2550](<https://access.redhat.com/security/cve/CVE-2016-2550>), [CVE-2016-2847](<https://access.redhat.com/security/cve/CVE-2016-2847>), [CVE-2016-3157](<https://access.redhat.com/security/cve/CVE-2016-3157>)\n\nMitre: [CVE-2016-2383](<https://vulners.com/cve/CVE-2016-2383>), [CVE-2016-2550](<https://vulners.com/cve/CVE-2016-2550>), [CVE-2016-2847](<https://vulners.com/cve/CVE-2016-2847>), [CVE-2016-3157](<https://vulners.com/cve/CVE-2016-3157>)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-03-16T16:30:00", "type": "amazon", "title": "Medium: kernel", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2383", "CVE-2016-2550", "CVE-2016-2847", "CVE-2016-3157"], "modified": "2016-12-23T21:35:00", "id": "ALAS-2016-669", "href": "https://alas.aws.amazon.com/ALAS-2016-669.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "ubuntu": [{"lastseen": "2023-06-07T16:30:42", "description": "## Releases\n\n * Ubuntu 14.04 ESM\n\n## Packages\n\n * linux-lts-wily \\- Linux hardware enablement kernel from Wily for Trusty\n\nRalf Spenneberg discovered that the usbvision driver in the Linux kernel \ndid not properly validate the interfaces and endpoints reported by the \ndevice. An attacker with physical access could cause a denial of service \n(system crash). (CVE-2015-7833)\n\nVenkatesh Pottem discovered a use-after-free vulnerability in the Linux \nkernel's CXGB3 driver. A local attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2015-8812)\n\nXiaofei Rex Guo discovered a timing side channel vulnerability in the Linux \nExtended Verification Module (EVM). An attacker could use this to affect \nsystem integrity. (CVE-2016-2085)\n\nIt was discovered that the extended Berkeley Packet Filter (eBPF) \nimplementation in the Linux kernel did not correctly compute branch offsets \nfor backward jumps after ctx expansion. A local attacker could use this to \ncause a denial of service (system crash) or possibly execute arbitrary \ncode. (CVE-2016-2383)\n\nDavid Herrmann discovered that the Linux kernel incorrectly accounted file \ndescriptors to the original opener for in-flight file descriptors sent over \na unix domain socket. A local attacker could use this to cause a denial of \nservice (resource exhaustion). (CVE-2016-2550)\n\nIt was discovered that the Linux kernel did not enforce limits on the \namount of data allocated to buffer pipes. A local attacker could use this \nto cause a denial of service (resource exhaustion). (CVE-2016-2847)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-04-06T00:00:00", "type": "ubuntu", "title": "Linux kernel (Wily HWE) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-7833", "CVE-2015-8812", "CVE-2016-2085", "CVE-2016-2383", "CVE-2016-2550", "CVE-2016-2847"], "modified": "2016-04-06T00:00:00", "id": "USN-2947-2", "href": "https://ubuntu.com/security/notices/USN-2947-2", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-06-07T16:30:41", "description": "## Releases\n\n * Ubuntu 15.10 \n\n## Packages\n\n * linux-raspi2 \\- Linux kernel for Raspberry Pi 2\n\nRalf Spenneberg discovered that the usbvision driver in the Linux kernel \ndid not properly validate the interfaces and endpoints reported by the \ndevice. An attacker with physical access could cause a denial of service \n(system crash). (CVE-2015-7833)\n\nVenkatesh Pottem discovered a use-after-free vulnerability in the Linux \nkernel's CXGB3 driver. A local attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2015-8812)\n\nXiaofei Rex Guo discovered a timing side channel vulnerability in the Linux \nExtended Verification Module (EVM). An attacker could use this to affect \nsystem integrity. (CVE-2016-2085)\n\nIt was discovered that the extended Berkeley Packet Filter (eBPF) \nimplementation in the Linux kernel did not correctly compute branch offsets \nfor backward jumps after ctx expansion. A local attacker could use this to \ncause a denial of service (system crash) or possibly execute arbitrary \ncode. (CVE-2016-2383)\n\nDavid Herrmann discovered that the Linux kernel incorrectly accounted file \ndescriptors to the original opener for in-flight file descriptors sent over \na unix domain socket. A local attacker could use this to cause a denial of \nservice (resource exhaustion). (CVE-2016-2550)\n\nIt was discovered that the Linux kernel did not enforce limits on the \namount of data allocated to buffer pipes. A local attacker could use this \nto cause a denial of service (resource exhaustion). (CVE-2016-2847)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-04-06T00:00:00", "type": "ubuntu", "title": "Linux kernel (Raspberry Pi 2) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-7833", "CVE-2015-8812", "CVE-2016-2085", "CVE-2016-2383", "CVE-2016-2550", "CVE-2016-2847"], "modified": "2016-04-06T00:00:00", "id": "USN-2947-3", "href": "https://ubuntu.com/security/notices/USN-2947-3", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-06-07T16:30:44", "description": "## Releases\n\n * Ubuntu 15.10 \n\n## Packages\n\n * linux \\- Linux kernel\n\nRalf Spenneberg discovered that the usbvision driver in the Linux kernel \ndid not properly validate the interfaces and endpoints reported by the \ndevice. An attacker with physical access could cause a denial of service \n(system crash). (CVE-2015-7833)\n\nVenkatesh Pottem discovered a use-after-free vulnerability in the Linux \nkernel's CXGB3 driver. A local attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2015-8812)\n\nXiaofei Rex Guo discovered a timing side channel vulnerability in the Linux \nExtended Verification Module (EVM). An attacker could use this to affect \nsystem integrity. (CVE-2016-2085)\n\nIt was discovered that the extended Berkeley Packet Filter (eBPF) \nimplementation in the Linux kernel did not correctly compute branch offsets \nfor backward jumps after ctx expansion. A local attacker could use this to \ncause a denial of service (system crash) or possibly execute arbitrary \ncode. (CVE-2016-2383)\n\nDavid Herrmann discovered that the Linux kernel incorrectly accounted file \ndescriptors to the original opener for in-flight file descriptors sent over \na unix domain socket. A local attacker could use this to cause a denial of \nservice (resource exhaustion). (CVE-2016-2550)\n\nIt was discovered that the Linux kernel did not enforce limits on the \namount of data allocated to buffer pipes. A local attacker could use this \nto cause a denial of service (resource exhaustion). (CVE-2016-2847)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-04-06T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-7833", "CVE-2015-8812", "CVE-2016-2085", "CVE-2016-2383", "CVE-2016-2550", "CVE-2016-2847"], "modified": "2016-04-06T00:00:00", "id": "USN-2947-1", "href": "https://ubuntu.com/security/notices/USN-2947-1", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}], "suse": [{"lastseen": "2016-09-04T11:46:06", "description": "The openSUSE Leap 42.1 kernel was updated to 4.1.20 to receive various\n security and bugfixes.\n\n The following security bugs were fixed:\n\n - CVE-2015-1339: A memory leak in cuse could be used to exhaust kernel\n memory. (bsc#969356).\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 are 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 951638).\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-2015-7884: The vivid_fb_ioctl function in\n drivers/media/platform/vivid/vivid-osd.c in the Linux kernel did not\n initialize a certain structure member, which allowed local users to\n obtain sensitive information from kernel memory via a crafted\n application (bnc#951626).\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-2015-8709: kernel/ptrace.c in the Linux kernel mishandled uid and\n gid mappings, which allowed local users to gain privileges by\n establishing a user namespace, waiting for a root process to enter that\n namespace with an unsafe uid or gid, and then using the ptrace system\n call. NOTE: the vendor states "there is no kernel bug here (bnc#959709).\n - CVE-2015-8767: net/sctp/sm_sideeffect.c in the Linux kernel did not\n properly manage the relationship between a lock and a socket, which\n allowed local users to cause a denial of service (deadlock) via a\n crafted sctp_accept call. (bsc#961509)\n - CVE-2015-8785: The fuse_fill_write_pages function in fs/fuse/file.c in\n the Linux kernel allowed local users to cause a denial of service\n (infinite loop) via a writev system call that triggers a zero length for\n the first segment of an iov (bnc#963765).\n - CVE-2015-8787: The nf_nat_redirect_ipv4 function in\n net/netfilter/nf_nat_redirect.c in the Linux kernel allowed remote\n attackers to cause a denial of service (NULL pointer dereference and\n system crash) or possibly have unspecified other impact by sending\n certain IPv4 packets to an incompletely configured interface, a related\n issue to CVE-2003-1604 (bnc#963931).\n - CVE-2015-8812: A flaw was found in the CXGB3 kernel driver when the\n network was considered congested. The kernel would incorrectly\n misinterpret the congestion as an error condition and incorrectly\n free/clean up the skb. When the device would then send the skb's queued,\n these structures would be referenced and may panic the system\n or allow an attacker to escalate privileges in a use-after-free\n scenario. (bsc#966437).\n - CVE-2016-0723: Race condition in the tty_ioctl function in\n drivers/tty/tty_io.c in the Linux kernel allowed local users to obtain\n sensitive information from kernel memory or cause a denial of service\n (use-after-free and system crash) by making a TIOCGETD ioctl call during\n processing of a TIOCSETD ioctl call (bnc#961500).\n - CVE-2016-2069: When Linux invalidated a paging structure that is not in\n use locally, it could, in principle, race against another CPU that is\n switching to a process that uses the paging structure in question.\n (bsc#963767)\n - CVE-2016-2184: A malicious USB device could cause a kernel crash in the\n alsa usb-audio driver. (bsc#971125)\n - CVE-2016-2383: Incorrect branch fixups for eBPF allow arbitrary read\n of kernel memory. (bsc#966684)\n - CVE-2016-2384: A malicious USB device could cause a kernel crash in the\n alsa usb-audio driver. (bsc#966693)\n\n The following non-security bugs were fixed:\n - alsa: hda - Apply clock gate workaround to Skylake, too (bsc#966137).\n - alsa: hda - disable dynamic clock gating on Broxton before reset\n (bsc#966137).\n - alsa: hda - Fix playback noise with 24/32 bit sample size on BXT\n (bsc#966137).\n - alsa: seq: Fix double port list deletion (bsc#968018).\n - alsa: seq: Fix leak of pool buffer at concurrent writes (bsc#968018).\n - alsa: timer: Fix race between stop and interrupt (bsc#968018).\n - alsa: timer: Fix wrong instance passed to slave callbacks (bsc#968018).\n - arm64: Add workaround for Cavium erratum 27456.\n - arm64: Backport arm64 patches from SLE12-SP1-ARM\n - btrfs: teach backref walking about backrefs with underflowed\n (bsc#966259).\n - cgroup kabi fix for 4.1.19.\n - config: Disable CONFIG_DDR. CONFIG_DDR is selected automatically by\n drivers which need it.\n - config: Disable MFD_TPS65218 The TPS65218 is a power management IC for\n 32-bit ARM systems.\n - config: Modularize NF_REJECT_IPV4/V6 There is no reason why these helper\n modules should be built-in when the rest of netfilter is built as\n modules.\n - config: Update x86 config files: Enable Intel RAPL This driver is useful\n when power caping is needed. It was enabled in the SLE kernel 2 years\n ago.\n - Delete patches.fixes/bridge-module-get-put.patch. As discussed in\n <a rel=\"nofollow\" href=\"http://lists.opensuse.org/opensuse-kernel/2015-11/msg00046.html\">http://lists.opensuse.org/opensuse-kernel/2015-11/msg00046.html</a>\n - drm/i915: Fix double unref in intelfb_alloc failure path (boo#962866,\n boo#966179).\n - drm/i915: Fix failure paths around initial fbdev allocation (boo#962866,\n boo#966179).\n - drm/i915: Pin the ifbdev for the info-&gt;system_base GGTT mmapping\n (boo#962866, boo#966179).\n - e1000e: Avoid divide by zero error (bsc#965125).\n - e1000e: fix division by zero on jumbo MTUs (bsc#965125).\n - e1000e: fix systim issues (bsc#965125).\n - e1000e: Fix tight loop implementation of systime read algorithm\n (bsc#965125).\n - ibmvnic: Fix ibmvnic_capability struct.\n - intel: Disable Skylake support in intel_idle driver again (boo#969582)\n This turned out to bring a regression on some machines, unfortunately.\n It should be addressed in the upstream at first.\n - intel_idle: allow idle states to be freeze-mode specific (boo#969582).\n - intel_idle: Skylake Client Support (boo#969582).\n - intel_idle: Skylake Client Support - updated (boo#969582).\n - libceph: fix scatterlist last_piece calculation (bsc#963746).\n - lio: Add LIO clustered RBD backend (fate#318836)\n - net kabi fixes for 4.1.19.\n - numa patches updated to v15\n - ocfs2: fix dlmglue deadlock issue(bnc#962257)\n - pci: thunder: Add driver for ThunderX-pass{1,2} on-chip devices\n - pci: thunder: Add PCIe host driver for ThunderX processors\n - sd: Optimal I/O size is in bytes, not sectors (boo#961263).\n - sd: Reject optimal transfer length smaller than page size (boo#961263).\n - series.conf: move cxgb3 patch to network drivers section\n\n", "cvss3": {}, "published": "2016-04-12T12:09:32", "type": "suse", "title": "Security update for the Linux Kernel (important)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2016-2384", "CVE-2015-8787", "CVE-2016-2069", "CVE-2015-7884", "CVE-2016-2383", "CVE-2016-0723", "CVE-2015-7872", "CVE-2015-8812", "CVE-2016-2184", "CVE-2015-8767", "CVE-2015-1339", "CVE-2015-7799", "CVE-2015-8709", "CVE-2003-1604", "CVE-2015-8785", "CVE-2015-8104"], "modified": "2016-04-12T12:09:32", "id": "OPENSUSE-SU-2016:1008-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}]}
CVE-2016-2383
