NULL Pointer Dereference Affecting kernel-libbpf-static package, versions <0:6.1.61-85.141.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELLIBBPFSTATIC-6146964
  • published9 Jan 2024
  • disclosed29 Oct 2023

Introduced: 29 Oct 2023

CVE-2023-46862  (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 0:6.1.61-85.141.amzn2023 or higher.
This issue was patched in ALAS2023-2023-430.

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.

An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.

CVSS Scores

version 3.1