Use After Free Affecting kernel-rt-debug-kvm package, versions *


Severity

Recommended
high

Based on CentOS security rating.

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  • Snyk IDSNYK-CENTOS7-KERNELRTDEBUGKVM-12773605
  • published16 Sept 2025
  • disclosed15 Sept 2025

Introduced: 15 Sep 2025

NewCVE-2022-50328  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 kernel-rt-debug-kvm.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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

jbd2: fix potential use-after-free in jbd2_fc_wait_bufs

In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.

CVSS Base Scores

version 3.1