Use After Free Affecting kernel-rt-64k-modules package, versions <0:5.14.0-570.39.1.el9_6


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.2% (11th percentile)

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  • Snyk IDSNYK-CENTOS9-KERNELRT64KMODULES-11492349
  • published6 Aug 2025
  • disclosed8 May 2025

Introduced: 8 May 2025

CVE-2025-37823  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:9 kernel-rt-64k-modules to version 0:5.14.0-570.39.1.el9_6 or higher.

NVD Description

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

In the Linux kernel, the following vulnerability has been resolved:

net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too

Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.

CVSS Base Scores

version 3.1