Use After Free Affecting kernel-tools package, versions <0:4.14.318-166.529.amzn1


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-AMZN201803-KERNELTOOLS-5741804
  • published28 Jun 2023
  • disclosed8 Jan 2024

Introduced: 28 Jun 2023

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

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-tools to version 0:4.14.318-166.529.amzn1 or higher.
This issue was patched in ALAS-2023-1773.

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:2018.03 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