Race Condition Affecting kernel-tools package, versions <0:6.1.72-96.166.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELTOOLS-7151373
  • published29 May 2024
  • disclosed21 Jan 2024

Introduced: 21 Jan 2024

CVE-2023-6531  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-tools to version 0:6.1.72-96.166.amzn2023 or higher.
This issue was patched in ALAS2023-2024-488.

NVD Description

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

A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.

CVSS Scores

version 3.1