The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2851 advisory.
- kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)
- kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)
- kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)
- kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)
- Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)
- kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)
- kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)
- kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)
- Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
{"redhat": [{"lastseen": "2023-09-10T12:37:41", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)\n\n* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)\n\n* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)\n\n* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)\n\n* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)\n\n* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)\n\n* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)\n\n* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)\n\n* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840677)", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2020-07-07T08:51:57", "type": "redhat", "title": "(RHSA-2020:2851) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-20169", "CVE-2018-7191", "CVE-2019-11487", "CVE-2019-13233", "CVE-2019-14821", "CVE-2019-15916", "CVE-2019-18660", "CVE-2019-3901", "CVE-2020-0543", "CVE-2020-12888"], "modified": "2020-07-07T09:16:58", "id": "RHSA-2020:2851", "href": "https://access.redhat.com/errata/RHSA-2020:2851", "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-08-04T12:27:59", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595)\n\n* kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)\n\n* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)\n\n* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)\n\n* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)\n\n* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)\n\n* kernel: brcmfmac frame validation bypass (CVE-2019-9503)\n\n* kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)\n\n* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)\n\n* kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)\n\n* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)\n\n* Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* Backport: Guest microcode version mismatch on secondary processors (BZ#1814002)\n\n* Realtek 8111, 8112 stop working after upgrading to 3.10.0-1062 (BZ#1814601)\n\n* [mlx5] Crash on reboot while having VF configured and in switchdev mode (BZ#1814800)\n\n* qla2xxx: Urgent driver fix needed. Initiator does not relogin to target after receiving an explicit logout (BZ#1815595)\n\n* High iSCSI read latency resolved by 'tcp: implement coalescing on backlog queue' (BZ#1817498)\n\n* [RHEL7.8][Azure]Commits to resolve high network latency (BZ#1817934)\n\n* NETDEV WATCHDOG: enp3s0 (r8169): transmit queue 0 timed out (BZ#1822541)\n\n* RHEL7: block mq hang of a blk_mq_freeze_queue_wait(), which waits for a zero of a q_usage_counter, which never happens (BZ#1824545)\n\n* Kernel crashes with a message fs/fscache/operation.c:449! (BZ#1826293)\n\n* kernel BUG at fs/fscache/operation.c:70! FS-Cache: 4 == 5 is false - current state is FSCACHE_OP_ST_COMPLETE but should be FSCACHE_OP_CANCELLED in fscache_enqueue_operation (BZ#1839756)", "cvss3": {"exploitabilityScore": 1.6, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.3, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2020-06-10T21:33:18", "type": "redhat", "title": "(RHSA-2020:2522) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18595", "CVE-2018-20169", "CVE-2018-7191", "CVE-2019-10639", "CVE-2019-12382", "CVE-2019-13233", "CVE-2019-14283", "CVE-2019-15916", "CVE-2019-19768", "CVE-2019-3901", "CVE-2019-9503", "CVE-2020-10711"], "modified": "2020-06-10T22:32:06", "id": "RHSA-2020:2522", "href": "https://access.redhat.com/errata/RHSA-2020:2522", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-04T12:27:59", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)\n\n* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837426)", "cvss3": {"exploitabilityScore": 1.5, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2020-07-29T21:04:32", "type": "redhat", "title": "(RHSA-2020:3230) Important: kernel security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-11487", "CVE-2020-10713", "CVE-2020-12888"], "modified": "2020-07-29T21:24:14", "id": "RHSA-2020:3230", "href": "https://access.redhat.com/errata/RHSA-2020:3230", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-04T12:28:04", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* [Stratus 7.6 Bug] Deadlock on hcd->bandwidth_mutex when usb controller fails during initialization (BZ#1764528)\n\n* RHEL7.7 Snapshot5 - retry when cpu offline races with migration (BZ#1766094)\n\n* Slow console output with ast (Aspeed) graphics driver (BZ#1780147)\n\n* RHEL7.7 - qeth: add safeguards to RX data path (BZ#1792248)\n\n* 'soft lockup' events during unmount of container file system due to bloated dentry cache / memory cgroup slab cache reclaim not available in RHEL7 (BZ#1796358)\n\n* [GSS] Can't access the mount point due to possible blocking of i/o on rbd (BZ#1796435)\n\n* [xfstests]: copy_file_range cause corruption on rhel-7 (BZ#1797967)\n\n* kernel: UAF in cdev_put() when a PTP device is removed while its chardev is open (BZ#1798395)\n\n* [HPE 7.8 Bug] RHEL7.8 kernel may ignore NMI from ilo (BZ#1798397)\n\n* [HPEMC RHEL 7.7 RHEL 7.8 REGRESSION] kernel not populating numa_nod in /sys/devices... for PMEM (BZ#1801697)\n\n* Unable to exclude files from auditing (BZ#1806429)\n\n* DNAT'd packet is not unmangled upon reply on openshift node (BZ#1806446)\n\n* port show-kabi to python3 (BZ#1806929)\n\n* top shows super high loads when tuned profile realtime-virtual-host is applied (BZ#1808029)\n\n* Backport CIFS stale ESTALE handling and dentry revalidation patches (BZ#1811053)\n\n* Observed a memory leak while using dm-multipath (BZ#1812936)\n\n* dm-multipath high load backport incorrect (BZ#1814536)", "cvss3": {"exploitabilityScore": 1.0, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 4.7, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-30T12:36:29", "type": "redhat", "title": "(RHSA-2020:1984) Moderate: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 1.9, "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-18660"], "modified": "2020-04-30T15:56:26", "id": "RHSA-2020:1984", "href": "https://access.redhat.com/errata/RHSA-2020:1984", "cvss": {"score": 1.9, "vector": "AV:L/AC:M/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-08-04T12:27:59", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* Page soft offlining may result in soft lockup or crash during hugepage migration (BZ#1839653)\n\n* Backport NETDEV_CHANGE event fix for LACP (BZ#1841819)", "cvss3": {"exploitabilityScore": 1.0, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 4.7, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-07-15T06:54:14", "type": "redhat", "title": "(RHSA-2020:2933) Moderate: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 1.9, "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-18660"], "modified": "2020-07-15T07:06:06", "id": "RHSA-2020:2933", "href": "https://access.redhat.com/errata/RHSA-2020:2933", "cvss": {"score": 1.9, "vector": "AV:L/AC:M/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-08-04T12:27:59", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* NULL sdev dereference race in atapi_qc_complete() (BZ#1876296)", "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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-10-06T12:54:02", "type": "redhat", "title": "(RHSA-2020:4182) Important: kernel security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-11487"], "modified": "2020-10-07T08:15:53", "id": "RHSA-2020:4182", "href": "https://access.redhat.com/errata/RHSA-2020:4182", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-04T12:27:59", "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1850280)", "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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-08-03T06:02:46", "type": "redhat", "title": "(RHSA-2020:3266) Important: kernel-rt security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-11487"], "modified": "2020-08-03T06:07:02", "id": "RHSA-2020:3266", "href": "https://access.redhat.com/errata/RHSA-2020:3266", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:46:05", "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: out of bound read in DVB connexant driver. (CVE-2015-9289)\n\n* kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission (CVE-2017-17807)\n\n* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)\n\n* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)\n\n* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)\n\n* kernel: brcmfmac frame validation bypass (CVE-2019-9503)\n\n* kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)\n\n* kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)\n\n* kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)\n\n* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)\n\n* kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)\n\n* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)\n\n* kernel: buffer-overflow hardening in WiFi beacon validation code. (CVE-2019-16746)\n\n* kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)\n\n* Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)\n\n* Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)\n\n* kernel: ASLR bypass for setuid binaries due to late install_exec_creds() (CVE-2019-11190)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.", "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": "2020-03-31T09:15:05", "type": "redhat", "title": "(RHSA-2020:1070) Moderate: kernel-rt security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9289", "CVE-2017-17807", "CVE-2018-19985", "CVE-2018-20169", "CVE-2018-7191", "CVE-2019-10207", "CVE-2019-10638", "CVE-2019-10639", "CVE-2019-11190", "CVE-2019-11884", "CVE-2019-12382", "CVE-2019-13233", "CVE-2019-14283", "CVE-2019-14815", "CVE-2019-15221", "CVE-2019-15916", "CVE-2019-16746", "CVE-2019-3901", "CVE-2019-9503"], "modified": "2020-06-01T13:59:16", "id": "RHSA-2020:1070", "href": "https://access.redhat.com/errata/RHSA-2020:1070", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-04T12:28:04", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* KEYS: prevent creating a different user's keyrings RHEL-6.10 (BZ#1537371)\n\n* BUG: unable to handle kernel NULL pointer dereference at (null) (BZ#1733760)\n\n* long I/O stalls with bnx2fc from not masking off scope bits of retry delay value (BZ#1749512)", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2019-12-17T11:23:15", "type": "redhat", "title": "(RHSA-2019:4256) Important: kernel security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-14821"], "modified": "2019-12-17T11:32:24", "id": "RHSA-2019:4256", "href": "https://access.redhat.com/errata/RHSA-2019:4256", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:46:05", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: out of bound read in DVB connexant driver. (CVE-2015-9289)\n\n* kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission (CVE-2017-17807)\n\n* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)\n\n* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)\n\n* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)\n\n* kernel: brcmfmac frame validation bypass (CVE-2019-9503)\n\n* kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)\n\n* kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)\n\n* kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)\n\n* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)\n\n* kernel: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call (CVE-2019-13648)\n\n* kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)\n\n* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)\n\n* kernel: buffer-overflow hardening in WiFi beacon validation code. (CVE-2019-16746)\n\n* kernel: (powerpc) incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)\n\n* kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)\n\n* Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)\n\n* Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)\n\n* kernel: ASLR bypass for setuid binaries due to late install_exec_creds() (CVE-2019-11190)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.", "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": "2020-03-31T09:08:53", "type": "redhat", "title": "(RHSA-2020:1016) Moderate: kernel security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-9289", "CVE-2017-17807", "CVE-2018-19985", "CVE-2018-20169", "CVE-2018-7191", "CVE-2019-10207", "CVE-2019-10638", "CVE-2019-10639", "CVE-2019-11190", "CVE-2019-11884", "CVE-2019-12382", "CVE-2019-13233", "CVE-2019-13648", "CVE-2019-14283", "CVE-2019-14814", "CVE-2019-14815", "CVE-2019-15090", "CVE-2019-15214", "CVE-2019-15221", "CVE-2019-15916", "CVE-2019-16746", "CVE-2019-18660", "CVE-2019-3901", "CVE-2019-5108", "CVE-2019-9503"], "modified": "2023-04-18T13:56:07", "id": "RHSA-2020:1016", "href": "https://access.redhat.com/errata/RHSA-2020:1016", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-09-10T12:37:41", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1827187)\n\n* kernel BUG at fs/fscache/operation.c:70! FS-Cache: 4 == 5 is false - current state is FSCACHE_OP_ST_COMPLETE but should be FSCACHE_OP_CANCELLED in fscache_enqueue_operation (BZ#1839757)\n\n* Deadlock condition grabbing ssb_state lock (BZ#1841121)", "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": "2020-06-23T11:09:02", "type": "redhat", "title": "(RHSA-2020:2664) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.7, "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-0543", "CVE-2020-12888"], "modified": "2020-06-23T11:42:51", "id": "RHSA-2020:2664", "href": "https://access.redhat.com/errata/RHSA-2020:2664", "cvss": {"score": 4.7, "vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-09-10T12:37:41", "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1837733)\n\n* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) [mrg-2.5.z] (BZ#1840691)", "cvss3": {"exploitabilityScore": 0.9, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 6.8, "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-07-01T08:17:17", "type": "redhat", "title": "(RHSA-2020:2777) Moderate: kernel-rt security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-20169", "CVE-2020-0543"], "modified": "2020-07-01T10:00:06", "id": "RHSA-2020:2777", "href": "https://access.redhat.com/errata/RHSA-2020:2777", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-09-10T12:37:41", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840676)", "cvss3": {"exploitabilityScore": 0.9, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 6.8, "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-06-30T11:41:33", "type": "redhat", "title": "(RHSA-2020:2770) Moderate: kernel security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-20169", "CVE-2020-0543"], "modified": "2020-06-30T11:52:03", "id": "RHSA-2020:2770", "href": "https://access.redhat.com/errata/RHSA-2020:2770", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-09-10T12:37:41", "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1827198)\n\n* kernel-rt: update to the latest RHEL7.8.z source tree (BZ#1844620)", "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": "2020-06-23T11:09:20", "type": "redhat", "title": "(RHSA-2020:2665) Important: kernel-rt security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.7, "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-0543", "CVE-2020-12888"], "modified": "2020-06-23T11:42:50", "id": "RHSA-2020:2665", "href": "https://access.redhat.com/errata/RHSA-2020:2665", "cvss": {"score": 4.7, "vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-09-10T12:37:41", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840674)", "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": "2020-07-07T08:14:43", "type": "redhat", "title": "(RHSA-2020:2831) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.7, "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-0543", "CVE-2020-12888"], "modified": "2020-07-07T08:19:05", "id": "RHSA-2020:2831", "href": "https://access.redhat.com/errata/RHSA-2020:2831", "cvss": {"score": 4.7, "vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-08-04T12:28:04", "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)\n\n* kernel: local attacker can trigger multiple use-after-free conditions results in privilege escalation (CVE-2019-15239)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel-rt: update to the RHEL7.7.z batch#3 source tree (BZ#1762889)", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2019-11-26T10:38:35", "type": "redhat", "title": "(RHSA-2019:3978) Important: kernel-rt security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-14821", "CVE-2019-15239"], "modified": "2019-11-26T13:06:10", "id": "RHSA-2019:3978", "href": "https://access.redhat.com/errata/RHSA-2019:3978", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-04T12:28:04", "description": "This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.\n\nSecurity fix(es):\n\n* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)\n\n* kernel: local attacker can trigger multiple use-after-free conditions results in privilege escalation (CVE-2019-15239)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgements, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2020-01-06T13:41:14", "type": "redhat", "title": "(RHSA-2020:0027) Important: kpatch-patch security update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-14821", "CVE-2019-15239"], "modified": "2020-01-06T14:07:21", "id": "RHSA-2020:0027", "href": "https://access.redhat.com/errata/RHSA-2020:0027", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-04T12:28:04", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)\n\n* kernel: local attacker can trigger multiple use-after-free conditions results in privilege escalation (CVE-2019-15239)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* On RHEL 7.7 kernel SCSI VPD information for NVMe drives is missing (breaks InfoScale) (BZ#1752423)\n\n* RHEL7 fnic spamming logs: Current vnic speed set to : 40000 (BZ#1754836)\n\n* kernel build: parallelize redhat/mod-sign.sh (BZ#1755330)\n\n* kernel build: speed up module compression step (BZ#1755339)\n\n* Nested VirtualBox VMs on Windows guest has the potential of impacting memory region allocated to other KVM guests (BZ#1755781)\n\n* NULL pointer dereference at check_preempt_wakeup+0x109 (BZ#1756265)\n\n* Regression: panic in pick_next_task_rt (BZ#1756267)\n\n* ixgbe reports \"Detected Tx Unit Hang\" with adapter reset on RHEL 7 (BZ#1757350)\n\n* [Intel 7.8 Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM. (BZ#1757757)\n\n* nvme: dead loop in blk_mq_tagset_wait_completed_request() when it is called from timeout handler (BZ#1758051)\n\n* [mlx5] VF Representer naming is not consistent/persistent through reboots with OSPD deployment (BZ#1759003)\n\n* OS getting restarted because of driver issue with QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA [1077:2532] (rev 02). (BZ#1759447)\n\n* mlx5: Load balancing not working over VF LAG configuration (BZ#1759449)\n\n* RHEL7.8 - ISST-LTE: vimlp1: Running LTP af_alg04.c (crypto) crash the LPAR (BZ#1763620)\n\n* RHEL7.5 - Fix security issues on crypto vmx (BZ#1763621)\n\n* RHEL 7.7 RC1 - Host crashes about 4.5 hours into switch port bounce test (BZ#1763624)\n\n* RHEL7.6 - cacheinfo code unsafe vs LPM (BZ#1763625)\n\n* xfs hangs on acquiring xfs_buf semaphore (BZ#1764245)\n\n* single CPU VM hangs during open_posix_testsuite (BZ#1766087)\n\n* rcu_sched self-detected stall on CPU while booting with nohz_full (BZ#1766098)", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2019-11-26T10:38:25", "type": "redhat", "title": "(RHSA-2019:3979) Important: kernel security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-14821", "CVE-2019-15239"], "modified": "2019-11-26T11:37:17", "id": "RHSA-2019:3979", "href": "https://access.redhat.com/errata/RHSA-2019:3979", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-09-10T12:37:29", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)\n\n* kernel: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call (CVE-2019-13648)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840678)\n\n* Deadlock condition grabbing ssb_state lock (BZ#1841120)\n\n* ext4: change LRU to round-robin in extent status tree shrinker (BZ#1847342)\n\n* Emulex lpfc seems to get hung up failing IOCB'S continuously on kernel 3.10.0-957.21.3.el7.x86_64 leading to Oracle evictions (BZ#1849650)\n\n* After upgrade to 3.9.89 pod containers with CPU limits fail to start due to cgroup error (BZ#1850499)\n\nEnhancement(s):\n\n* [Marvell 7.8 FEAT] Update bnx2fc driver to latest upstream (BZ#1834817)", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-07-21T12:36:15", "type": "redhat", "title": "(RHSA-2020:3019) Important: kernel security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-13648", "CVE-2020-0543", "CVE-2020-12888"], "modified": "2020-07-21T12:58:08", "id": "RHSA-2020:3019", "href": "https://access.redhat.com/errata/RHSA-2020:3019", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-08-04T12:28:04", "description": "The kernel-alt packages provide the Linux kernel version 4.x.\n\nSecurity Fix(es):\n\n* Kernel: speculative bounds check bypass store (CVE-2018-3693)\n\n* kernel: Use-after-free due to race condition in AF_PACKET implementation (CVE-2018-18559)\n\n* kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846)\n\n* kernel: af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr (CVE-2019-8912)\n\n* kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)\n\n* kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)\n\n* kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver (CVE-2019-14816)\n\n* kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c (CVE-2019-17133)\n\n* kernel: heap overflow in mwifiex_set_uap_rates() function of Marvell Wifi Driver leading to DoS (CVE-2019-14814)\n\n* kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS (CVE-2019-14815)\n\n* kernel: (powerpc) incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* Kernel panic on job cleanup, related to SyS_getdents64 (BZ#1702057)\n\n* Kernel modules generated incorrectly when system is localized to non-English language (BZ#1705285)\n\n* RHEL-Alt-7.6 - Fixup tlbie vs store ordering issue on POWER9 (BZ#1756270)", "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": "2020-01-21T15:15:25", "type": "redhat", "title": "(RHSA-2020:0174) Important: kernel-alt security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 6.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 8.3, "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-18559", "CVE-2018-3693", "CVE-2019-10126", "CVE-2019-11487", "CVE-2019-14814", "CVE-2019-14815", "CVE-2019-14816", "CVE-2019-17133", "CVE-2019-18660", "CVE-2019-3846", "CVE-2019-8912"], "modified": "2020-01-21T15:32:47", "id": "RHSA-2020:0174", "href": "https://access.redhat.com/errata/RHSA-2020:0174", "cvss": {"score": 8.3, "vector": "AV:A/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-08-16T15:46:05", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: powerpc: local user can read vector registers of other users' processes via a Facility Unavailable exception (CVE-2019-15030)\n\n* kernel: powerpc: local user can read vector registers of other users' processes via an interrupt (CVE-2019-15031)\n\n* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)\n\n* kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* [FJ8.1 Bug]: fs/devpts: always delete dcache dentry-s in dput() (BZ#1783959)\n\n* qla2xxx: call dma_free_coherent with correct size in all cases in qla24xx_sp_unmap (BZ#1788206)\n\n* qla2xxxx: Firmware update for Gen7 adapter could result in an unusable adapter (BZ#1790350)\n\n* s390/sclp: Fix bit checked for has_sipl (BZ#1791408)\n\n* RHEL8.1 - Error output for CPU-MF auxtrace data in perf: (BZ#1792198)\n\n* [FJ8.0 Bug]: [kernel]: using \"kexec -e\" to reboot A64FX system causes system panic during the boot of the 2nd kernel (BZ#1792200)\n\n* Fixup tlbie vs store ordering issue on POWER9 (BZ#1794058)\n\n* RHEL8.1 - qeth: add safeguards to RX data path (BZ#1794059)\n\n* RHEL8.1 - STC940:ZZ:Fleet:RHEL:LPM failed with no rmc connection during 6th iteration (ibmvnic) (BZ#1794060)\n\n* RHEL8.1 - disable trace-imc feature (perf:) (BZ#1794061)\n\n* [Broadcom RHEL8.2 FEAT]: megaraid_sas driver update request (BZ#1795335)\n\n* RHEL8.1 pre-Beta - [ FW940 ] [ zz P9 ] kdump fails when XIVE is enabled and dump is trigged from HMC. (BZ#1795337)\n\n* T10 DIF: OOM observed while running I/O (BZ#1795338)\n\n* backport fix for potential deadlock relative to snapshot COW throttling (BZ#1796490)\n\n* Neoverse n1 errata 1542419 \"Core may fetch stale instructions from memory and violate ordering\" (BZ#1797518)\n\n* [HPE 8.1 Bug] hpsa: bug fix for reset issue (BZ#1797519)\n\n* [HPE 8.0 BUG] System crash when reading /sys/block/<dm>/mq/0/cpu_list file (BZ#1797960)\n\n* kernel: T10 CRC not using hardware-accelerated version from crct10dif_pclmul (BZ#1797961)\n\n* [FJ8.1 Bug]: Dirty pages remain when write() returns ENOSPC. (BZ#1797962)\n\n* RHEL 8 - NVMe/FC Fabric Broadcom Autoconnect Script Fails to Reconnect after Controller Reset (BZ#1798381)\n\n* [RHEL8.2]: Chelsio crypto co-processor Driver (chcr) bugfixes (BZ#1798527)\n\n* [RHEL8.1][Snapshot-1]LUN discovery says unrecognized (BZ#1801216)\n\n* 8.2 snap2 kernel incorrectly signed in brew (BZ#1807231)", "cvss3": {"exploitabilityScore": 0.9, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 6.8, "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-04-07T10:57:14", "type": "redhat", "title": "(RHSA-2020:1372) Moderate: kernel security and bug fix update", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-15030", "CVE-2019-15031", "CVE-2019-18660", "CVE-2019-19527"], "modified": "2020-05-13T12:54:36", "id": "RHSA-2020:1372", "href": "https://access.redhat.com/errata/RHSA-2020:1372", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-09-10T12:37:56", "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884)\n\n* Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)\n\n* Kernel: page cache side channel attacks (CVE-2019-5489)\n\n* hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)\n\n* kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)\n\n* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)\n\n* kernel: Information Disclosure in crypto_report_one in crypto/crypto_user.c (CVE-2018-19854)\n\n* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)\n\n* kernel: Heap address information leak while using L2CAP_GET_CONF_OPT (CVE-2019-3459)\n\n* kernel: Heap address information leak while using L2CAP_PARSE_CONF_RSP (CVE-2019-3460)\n\n* kernel: SCTP socket buffer memory leak leading to denial of service (CVE-2019-3874)\n\n* kernel: denial of service vector through vfio DMA mappings (CVE-2019-3882)\n\n* kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)\n\n* kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599)\n\n* kernel: fs/ext4/extents.c leads to information disclosure (CVE-2019-11833)\n\n* kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)\n\n* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)\n\n* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)\n\n* kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)\n\n* Kernel: KVM: leak of uninitialized stack contents to guest (CVE-2019-7222)\n\n* Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.", "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": "2019-11-05T17:28:43", "type": "redhat", "title": "(RHSA-2019:3309) Important: kernel-rt security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", 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If the brcmfmac driver receives a firmware event frame from a remote source, the is_wlc_event_frame function will cause this frame to be discarded and unprocessed. If the driver receives the firmware event frame from the host, the appropriate handler is called. This frame validation can be bypassed if the bus used is USB (for instance by a wifi dongle). This can allow firmware event frames from a remote source to be processed. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system.\n More typically, this vulnerability will result in denial-of-service conditions. (CVE-2019-9503)\n\n - In the Linux kernel before 5.2.3, set_geometry in drivers/block/floppy.c does not validate the sect and head fields, as demonstrated by an integer overflow and out-of-bounds read. It can be triggered by an unprivileged local user when a floppy disk has been inserted. NOTE: QEMU creates the floppy device by default. (CVE-2019-14283)\n\n - In the Linux kernel before 4.1.4, a buffer overflow occurs when checking userspace params in drivers/media/dvb-frontends/cx24116.c. The maximum size for a DiSEqC command is 6, according to the userspace API. However, the code allows larger values such as 23. (CVE-2015-9289)\n\n - A flaw was found in the Linux kernel's Bluetooth implementation of UART, all versions kernel 3.x.x before 4.18.0 and kernel 5.x.x. An attacker with local access and write permissions to the Bluetooth hardware could use this flaw to issue a specially crafted ioctl function call and cause the system to crash.\n (CVE-2019-10207)\n\n - An issue was discovered in the Linux kernel before 5.0.1. There is a memory leak in register_queue_kobjects() in net/core/net-sysfs.c, which will cause denial of service. (CVE-2019-15916)\n\n - In the Linux kernel before 5.1.7, a device can be tracked by an attacker using the IP ID values the kernel produces for connection-less protocols (e.g., UDP and ICMP). When such traffic is sent to multiple destination IP addresses, it is possible to obtain hash collisions (of indices to the counter array) and thereby obtain the hashing key (via enumeration). An attack may be conducted by hosting a crafted web page that uses WebRTC or gQUIC to force UDP traffic to attacker-controlled IP addresses. (CVE-2019-10638)\n\n - In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation. (CVE-2019-13233)\n\n - A race condition in perf_event_open() allows local attackers to leak sensitive data from setuid programs.\n As no relevant locks (in particular the cred_guard_mutex) are held during the ptrace_may_access() call, it is possible for the specified target task to perform an execve() syscall with setuid execution before perf_event_alloc() actually attaches to it, allowing an attacker to bypass the ptrace_may_access() check and the perf_event_exit_task(current) call that is performed in install_exec_creds() during privileged execve() calls. This issue affects kernel versions before 4.8. (CVE-2019-3901)\n\n - An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow. (CVE-2019-16746)\n\n - The Linux kernel 4.x (starting from 4.1) and 5.x before 5.0.8 allows Information Exposure (partial kernel address disclosure), leading to a KASLR bypass. Specifically, it is possible to extract the KASLR kernel image offset using the IP ID values the kernel produces for connection-less protocols (e.g., UDP and ICMP). When such traffic is sent to multiple destination IP addresses, it is possible to obtain hash collisions (of indices to the counter array) and thereby obtain the hashing key (via enumeration). This key contains enough bits from a kernel address (of a static variable) so when the key is extracted (via enumeration), the offset of the kernel image is exposed. This attack can be carried out remotely, by the attacker forcing the target device to send UDP or ICMP (or certain other) traffic to attacker-controlled IP addresses. Forcing a server to send UDP traffic is trivial if the server is a DNS server. ICMP traffic is trivial if the server answers ICMP Echo requests (ping). For client targets, if the target visits the attacker's web page, then WebRTC or gQUIC can be used to force UDP traffic to attacker-controlled IP addresses. NOTE: this attack against KASLR became viable in 4.1 because IP ID generation was changed to have a dependency on an address associated with a network namespace. (CVE-2019-10639)\n\n - In the Linux kernel through 5.2.1 on the powerpc platform, when hardware transactional memory is disabled, a local user can cause a denial of service (TM Bad Thing exception and system crash) via a sigreturn() system call that sends a crafted signal frame. This affects arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c. (CVE-2019-13648)\n\n - The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c. 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(CVE-2018-7191)\n\n - An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during\n the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.\n (CVE-2018-20169)\n\n - ** DISPUTED ** An issue was discovered in drm_load_edid_firmware in drivers/gpu/drm/drm_edid_load.c in the\n Linux kernel through 5.1.5. There is an unchecked kstrdup of fwstr, which might allow an attacker to cause\n a denial of service (NULL pointer dereference and system crash). NOTE: The vendor disputes this issues as\n not being a vulnerability because kstrdup() returning NULL is handled sufficiently and there is no chance\n for a NULL pointer dereference. (CVE-2019-12382)\n\n - The Broadcom brcmfmac WiFi driver prior to commit a4176ec356c73a46c07c181c6d04039fafa34a9f is vulnerable\n to a frame validation bypass. 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"description": "The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has kernel packages installed that are affected by multiple vulnerabilities:\n\n - In the Linux kernel before 4.1.4, a buffer overflow occurs when checking userspace params in drivers/media/dvb-frontends/cx24116.c. The maximum size for a DiSEqC command is 6, according to the userspace API. However, the code allows larger values such as 23. (CVE-2015-9289)\n\n - The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's default request-key keyring via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.\n (CVE-2017-17807)\n\n - An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.\n (CVE-2018-20169)\n\n - In the tun subsystem in the Linux kernel before 4.13.14, dev_get_valid_name is not called before register_netdevice. This allows local users to cause a denial of service (NULL pointer dereference and panic) via an ioctl(TUNSETIFF) call with a dev name containing a / character. This is similar to CVE-2013-4343. (CVE-2018-7191)\n\n - The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after- free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests. (CVE-2019-11487)\n\n - ** DISPUTED ** An issue was discovered in drm_load_edid_firmware in drivers/gpu/drm/drm_edid_load.c in the Linux kernel through 5.1.5. There is an unchecked kstrdup of fwstr, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). NOTE: The vendor disputes this issues as not being a vulnerability because kstrdup() returning NULL is handled sufficiently and there is no chance for a NULL pointer dereference. (CVE-2019-12382)\n\n - In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation. (CVE-2019-13233)\n\n - In the Linux kernel before 5.2.3, set_geometry in drivers/block/floppy.c does not validate the sect and head fields, as demonstrated by an integer overflow and out-of-bounds read. It can be triggered by an unprivileged local user when a floppy disk has been inserted. NOTE: QEMU creates the floppy device by default. (CVE-2019-14283)\n\n - There is heap-based buffer overflow in kernel, all versions up to, excluding 5.3, in the marvell wifi chip driver in Linux kernel, that allows local users to cause a denial of service(system crash) or possibly execute arbitrary code. (CVE-2019-14816)\n\n - A heap-based buffer overflow was discovered in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver. The flaw could occur when the station attempts a connection negotiation during the handling of the remote devices country settings. This could allow the remote device to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-14895)\n\n - The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.\n (CVE-2019-14898)\n\n - A heap overflow flaw was found in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver. The vulnerability allows a remote attacker to cause a system crash, resulting in a denial of service, or execute arbitrary code. The highest threat with this vulnerability is with the availability of the system. If code execution occurs, the code will run with the permissions of root. This will affect both confidentiality and integrity of files on the system. (CVE-2019-14901)\n\n - An issue was discovered in the Linux kernel before 5.0.1. There is a memory leak in register_queue_kobjects() in net/core/net-sysfs.c, which will cause denial of service. (CVE-2019-15916)\n\n - In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow. (CVE-2019-17133)\n\n - rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a certain upper-bound check, leading to a buffer overflow. (CVE-2019-17666)\n\n - A flaw was found in the fix for CVE-2019-11135, in the Linux upstream kernel versions before 5.5 where, the way Intel CPUs handle speculative execution of instructions when a TSX Asynchronous Abort (TAA) error occurs. When a guest is running on a host CPU affected by the TAA flaw (TAA_NO=0), but is not affected by the MDS issue (MDS_NO=1), the guest was to clear the affected buffers by using a VERW instruction mechanism. But when the MDS_NO=1 bit was exported to the guests, the guests did not use the VERW mechanism to clear the affected buffers. This issue affects guests running on Cascade Lake CPUs and requires that host has 'TSX' enabled. Confidentiality of data is the highest threat associated with this vulnerability.\n (CVE-2019-19338)\n\n - A race condition in perf_event_open() allows local attackers to leak sensitive data from setuid programs.\n As no relevant locks (in particular the cred_guard_mutex) are held during the ptrace_may_access() call, it is possible for the specified target task to perform an execve() syscall with setuid execution before perf_event_alloc() actually attaches to it, allowing an attacker to bypass the ptrace_may_access() check and the perf_event_exit_task(current) call that is performed in install_exec_creds() during privileged execve() calls. This issue affects kernel versions before 4.8. (CVE-2019-3901)\n\n - In the Android kernel in Pixel C USB monitor driver there is a possible OOB write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. (CVE-2019-9456)\n\n - The Broadcom brcmfmac WiFi driver prior to commit a4176ec356c73a46c07c181c6d04039fafa34a9f is vulnerable to a frame validation bypass. If the brcmfmac driver receives a firmware event frame from a remote source, the is_wlc_event_frame function will cause this frame to be discarded and unprocessed. If the driver receives the firmware event frame from the host, the appropriate handler is called. This frame validation can be bypassed if the bus used is USB (for instance by a wifi dongle). This can allow firmware event frames from a remote source to be processed. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system.\n More typically, this vulnerability will result in denial-of-service conditions. (CVE-2019-9503)\n\n - A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7.\n This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol's category bitmap into the SELinux extensible bitmap via the' ebitmap_netlbl_import' routine. While processing the CIPSO restricted bitmap tag in the 'cipso_v4_parsetag_rbm' routine, it sets the security attribute to indicate that the category bitmap is present, even if it has not been allocated. This issue leads to a NULL pointer dereference issue while importing the same category bitmap into SELinux. This flaw allows a remote network user to crash the system kernel, resulting in a denial of service. (CVE-2020-10711)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2020-12-09T00:00:00", "type": "nessus", "title": "NewStart CGSL CORE 5.05 / MAIN 5.05 : kernel Multiple Vulnerabilities (NS-SA-2020-0108)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2013-4343", "CVE-2015-9289", "CVE-2017-17807", "CVE-2018-20169", "CVE-2018-7191", "CVE-2019-11135", "CVE-2019-11487", "CVE-2019-11599", "CVE-2019-12382", "CVE-2019-13233", "CVE-2019-14283", "CVE-2019-14816", "CVE-2019-14895", "CVE-2019-14898", "CVE-2019-14901", "CVE-2019-15916", "CVE-2019-17133", "CVE-2019-17666", "CVE-2019-19338", "CVE-2019-3901", "CVE-2019-9456", "CVE-2019-9503", "CVE-2020-10711"], "modified": "2020-12-10T00:00:00", "cpe": [], "id": "NEWSTART_CGSL_NS-SA-2020-0108_KERNEL.NASL", "href": "https://www.tenable.com/plugins/nessus/143971", "sourceData": "##\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from ZTE advisory NS-SA-2020-0108. 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The maximum size for a DiSEqC command is 6, according to the\n userspace API. However, the code allows larger values such as 23. (CVE-2015-9289)\n\n - The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to\n the current task's default request-key keyring via the request_key() system call, allowing a local user\n to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write\n permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.\n (CVE-2017-17807)\n\n - An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during\n the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.\n (CVE-2018-20169)\n\n - In the tun subsystem in the Linux kernel before 4.13.14, dev_get_valid_name is not called before\n register_netdevice. This allows local users to cause a denial of service (NULL pointer dereference and\n panic) via an ioctl(TUNSETIFF) call with a dev name containing a / character. This is similar to\n CVE-2013-4343. (CVE-2018-7191)\n\n - The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after-\n free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c,\n include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can\n occur with FUSE requests. (CVE-2019-11487)\n\n - ** DISPUTED ** An issue was discovered in drm_load_edid_firmware in drivers/gpu/drm/drm_edid_load.c in the\n Linux kernel through 5.1.5. There is an unchecked kstrdup of fwstr, which might allow an attacker to cause\n a denial of service (NULL pointer dereference and system crash). NOTE: The vendor disputes this issues as\n not being a vulnerability because kstrdup() returning NULL is handled sufficiently and there is no chance\n for a NULL pointer dereference. (CVE-2019-12382)\n\n - In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an\n LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds\n violation. (CVE-2019-13233)\n\n - In the Linux kernel before 5.2.3, set_geometry in drivers/block/floppy.c does not validate the sect and\n head fields, as demonstrated by an integer overflow and out-of-bounds read. It can be triggered by an\n unprivileged local user when a floppy disk has been inserted. NOTE: QEMU creates the floppy device by\n default. (CVE-2019-14283)\n\n - There is heap-based buffer overflow in kernel, all versions up to, excluding 5.3, in the marvell wifi chip\n driver in Linux kernel, that allows local users to cause a denial of service(system crash) or possibly\n execute arbitrary code. (CVE-2019-14816)\n\n - A heap-based buffer overflow was discovered in the Linux kernel, all versions 3.x.x and 4.x.x before\n 4.18.0, in Marvell WiFi chip driver. The flaw could occur when the station attempts a connection\n negotiation during the handling of the remote devices country settings. This could allow the remote device\n to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-14895)\n\n - The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could\n use this flaw to obtain sensitive information, cause a denial of service, or possibly have other\n unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.\n (CVE-2019-14898)\n\n - A heap overflow flaw was found in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell\n WiFi chip driver. The vulnerability allows a remote attacker to cause a system crash, resulting in a\n denial of service, or execute arbitrary code. The highest threat with this vulnerability is with the\n availability of the system. If code execution occurs, the code will run with the permissions of root. This\n will affect both confidentiality and integrity of files on the system. (CVE-2019-14901)\n\n - An issue was discovered in the Linux kernel before 5.0.1. There is a memory leak in\n register_queue_kobjects() in net/core/net-sysfs.c, which will cause denial of service. (CVE-2019-15916)\n\n - In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a\n long SSID IE, leading to a Buffer Overflow. (CVE-2019-17133)\n\n - rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a\n certain upper-bound check, leading to a buffer overflow. (CVE-2019-17666)\n\n - A flaw was found in the fix for CVE-2019-11135, in the Linux upstream kernel versions before 5.5 where,\n the way Intel CPUs handle speculative execution of instructions when a TSX Asynchronous Abort (TAA) error\n occurs. When a guest is running on a host CPU affected by the TAA flaw (TAA_NO=0), but is not affected by\n the MDS issue (MDS_NO=1), the guest was to clear the affected buffers by using a VERW instruction\n mechanism. But when the MDS_NO=1 bit was exported to the guests, the guests did not use the VERW mechanism\n to clear the affected buffers. 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allowmaj:allowmaj)) flag++;\n }\n}\n\nif (flag)\n{\n var subscription_caveat = '\\n' +\n 'NOTE: This vulnerability check contains fixes that apply to\\n' +\n 'packages only available in the Red Hat Enterprise Linux\\n' +\n 'Advanced Update Support, Extended Update Support, Telco Extended Update Support or Update Services for SAP Solutions repositories.\\n' +\n 'Access to these repositories requires a paid RHEL subscription.\\n';\n var extra = NULL;\n if (empty_or_null(applicable_repo_urls)) extra = subscription_caveat + rpm_report_get() + redhat_report_repo_caveat();\n else extra = subscription_caveat + rpm_report_get() + redhat_report_package_caveat();\n security_report_v4(\n port : 0,\n severity : SECURITY_WARNING,\n extra : extra\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bpftool / kernel / kernel-abi-whitelists / kernel-bootwrapper / etc');\n}\n", "cvss": {"score": 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A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly impersonate AF_VSOCK messages destined to other clients or leak kernel memory.(CVE-2018-14625)", "cvss3": {}, "published": "2019-01-14T00:00:00", "type": "nessus", "title": "Amazon Linux AMI : kernel (ALAS-2019-1145)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2018-14625", "CVE-2018-20169"], "modified": "2022-05-25T00:00:00", "cpe": ["p-cpe:/a:amazon:linux:kernel", "p-cpe:/a:amazon:linux:kernel-debuginfo", "p-cpe:/a:amazon:linux:kernel-debuginfo-common-i686", "p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64", "p-cpe:/a:amazon:linux:kernel-devel", "p-cpe:/a:amazon:linux:kernel-headers", "p-cpe:/a:amazon:linux:kernel-tools", "p-cpe:/a:amazon:linux:kernel-tools-debuginfo", "p-cpe:/a:amazon:linux:kernel-tools-devel", "p-cpe:/a:amazon:linux:perf", "p-cpe:/a:amazon:linux:perf-debuginfo", "cpe:/o:amazon:linux"], "id": "ALA_ALAS-2019-1145.NASL", "href": "https://www.tenable.com/plugins/nessus/121130", "sourceData": "#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from Amazon Linux AMI Security Advisory ALAS-2019-1145.\n#\n\ninclude(\"compat.inc\");\n\nif (description)\n{\n script_id(121130);\n script_version(\"1.4\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/05/25\");\n\n script_cve_id(\"CVE-2018-14625\", \"CVE-2018-20169\");\n script_xref(name:\"ALAS\", value:\"2019-1145\");\n\n script_name(english:\"Amazon Linux AMI : kernel (ALAS-2019-1145)\");\n script_summary(english:\"Checks rpm output for the updated packages\");\n\n script_set_attribute(\n attribute:\"synopsis\",\n value:\"The remote Amazon Linux AMI host is missing a security update.\"\n );\n script_set_attribute(\n attribute:\"description\",\n value:\n\"The USB subsystem mishandles size checks during the reading of an\nextra descriptor, related to __usb_get_extra_descriptor in\ndrivers/usb/core/usb.c.(CVE-2018-20169)\n\nA flaw was found where an attacker may be able to have an uncontrolled\nread to kernel-memory from within a vm guest. A race condition between\nconnect() and close() function may allow an attacker using the\nAF_VSOCK protocol to gather a 4 byte information leak or possibly\nimpersonate AF_VSOCK messages destined to other clients or leak kernel\nmemory.(CVE-2018-14625)\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://alas.aws.amazon.com/ALAS-2019-1145.html\"\n );\n script_set_attribute(\n attribute:\"solution\",\n value:\"Run 'yum update kernel' to update your system.\"\n );\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:U/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:U/RL:O/RC:C\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2018-20169\");\n script_set_attribute(attribute:\"exploitability_ease\", value:\"No known exploits are available\"
RHEL 7 : kernel (RHSA-2020:2851)
