Race Condition Affecting kernel-64k package, versions <0:5.14.0-427.13.1.el9_4


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0% (1st percentile)

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  • Snyk IDSNYK-CENTOS9-KERNEL64K-5923637
  • published28 Sept 2023
  • disclosed27 Sept 2023

Introduced: 27 Sep 2023

CVE-2023-42756  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Centos:9 kernel-64k to version 0:5.14.0-427.13.1.el9_4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k package and not the kernel-64k package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of __ip_set_put on a wrong set. This issue may allow a local user to crash the system.

CVSS Base Scores

version 3.1