CVE-2022-49479 Affecting kernel-rt-debug-core package, versions *


Severity

Recommended
high

Based on CentOS security rating.

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  • Snyk IDSNYK-CENTOS8-KERNELRTDEBUGCORE-8790215
  • published28 Feb 2025
  • disclosed26 Feb 2025

Introduced: 26 Feb 2025

NewCVE-2022-49479  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 kernel-rt-debug-core.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-core package and not the kernel-rt-debug-core package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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

mt76: fix tx status related use-after-free race on station removal

There is a small race window where ongoing tx activity can lead to a skb getting added to the status tracking idr after that idr has already been cleaned up, which will keep the wcid linked in the status poll list. Fix this by only adding status skbs if the wcid pointer is still assigned in dev->wcid, which gets cleared early by mt76_sta_pre_rcu_remove

CVSS Scores

version 3.1