NULL Pointer Dereference Affecting kernel-libbpf-static package, versions <0:6.1.10-15.42.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (14th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELLIBBPFSTATIC-3346456
  • published7 Mar 2023
  • disclosed30 Jun 2022

Introduced: 30 Jun 2022

CVE-2022-1852  (opens in a new tab)
CWE-476  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Amazon-Linux:2023 kernel-libbpf-static to version 0:6.1.10-15.42.amzn2023 or higher.
This issue was patched in ALAS2023-2023-070.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-libbpf-static package and not the kernel-libbpf-static package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 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