Use After Free Affecting perf-debuginfo package, versions <0:4.14.287-148.504.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-PERFDEBUGINFO-2975039
  • published5 Aug 2022
  • disclosed6 Jul 2022

Introduced: 6 Jul 2022

CVE-2022-2318  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf-debuginfo to version 0:4.14.287-148.504.amzn1 or higher.
This issue was patched in ALAS-2022-1624.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.

CVSS Scores

version 3.1