Use After Free Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-425.3.1.rt7.213.el8


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
1.05% (85th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELRTDEBUGMODULESEXTRA-3194838
  • published5 Jan 2023
  • disclosed8 Jan 2024

Introduced: 5 Jan 2023

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

How to fix?

Upgrade Rocky-Linux:8 kernel-rt-debug-modules-extra to version 0:4.18.0-425.3.1.rt7.213.el8 or higher.
This issue was patched in RLSA-2022:7444.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 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