Improper Update of Reference Count Affecting kernel-modules-core package, versions <0:5.14.0-284.11.1.el9_2


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-CENTOS9-KERNELMODULESCORE-5534628
  • published20 Aug 2022
  • disclosed2 Jun 2022

Introduced: 2 Jun 2022

CVE-2022-36879  (opens in a new tab)
CWE-911  (opens in a new tab)

How to fix?

Upgrade Centos:9 kernel-modules-core to version 0:5.14.0-284.11.1.el9_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-modules-core package and not the kernel-modules-core package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice.

CVSS Scores

version 3.1