Deadlock Affecting perf package, versions <0:4.14.322-244.536.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2-PERF-6228347
  • published6 Feb 2024
  • disclosed17 Jan 2024

Introduced: 17 Jan 2024

CVE-2024-0639  (opens in a new tab)
CWE-833  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 perf to version 0:4.14.322-244.536.amzn2 or higher.
This issue was patched in ALAS2-2023-2268.

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:2 relevant fixed versions and status.

A denial of service vulnerability due to a deadlock was found in sctp_auto_asconf_init in net/sctp/socket.c in the Linux kernel’s SCTP subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.

CVSS Scores

version 3.1