NULL Pointer Dereference Affecting perf package, versions <0:6.1.61-85.141.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF-6146966
  • 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)

How to fix?

Upgrade Amazon-Linux:2023 perf 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 perf package and not the perf 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