Use After Free Affecting kernel-debuginfo package, versions <0:4.14.318-240.529.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
1.05% (85th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELDEBUGINFO-5740486
  • published27 Jun 2023
  • disclosed8 Jan 2024

Introduced: 27 Jun 2023

CVE-2022-2586  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.318-240.529.amzn2 or higher.
This issue was patched in ALAS2-2023-2100.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.

CVSS Scores

version 3.1