NULL Pointer Dereference Affecting kernel package, versions <0:5.15.73-45.135.amzn2022


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-AMZN2022-KERNEL-3103034
  • published4 Nov 2022
  • disclosed30 Jun 2022

Introduced: 30 Jun 2022

CVE-2022-1852  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2022 kernel to version 0:5.15.73-45.135.amzn2022 or higher.
This issue was patched in ALAS2022-2022-185.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2022 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.

CVSS Scores

version 3.1