NULL Pointer Dereference Affecting kernel-rt package, versions <0:5.14.0-162.6.1.rt21.168.el9_1
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Test your applications- Snyk ID SNYK-ALMALINUX9-KERNELRT-5655538
- published 28 May 2023
- disclosed 15 Nov 2022
Introduced: 15 Nov 2022
CVE-2022-1852 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 kernel-rt to version 0:5.14.0-162.6.1.rt21.168.el9_1 or higher.
This issue was patched in ALSA-2022:7933.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.
References
- https://errata.almalinux.org/8/ALSA-2022-7444.html
- https://errata.almalinux.org/8/ALSA-2022-7683.html
- https://errata.almalinux.org/9/ALSA-2022-7933.html
- https://errata.almalinux.org/9/ALSA-2022-8267.html
- https://access.redhat.com/security/cve/CVE-2022-1852
- https://access.redhat.com/errata/RHSA-2022:7444
- https://access.redhat.com/errata/RHSA-2022:7683
- https://access.redhat.com/errata/RHSA-2022:7933
- https://access.redhat.com/errata/RHSA-2022:8267
- https://bugzilla.redhat.com/show_bug.cgi?id=2089815
- https://github.com/torvalds/linux/commit/fee060cd52d69c114b62d1a2948ea9648b5131f9