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CVE-2022-49479 Detail

Description

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


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/ddd426d72aca4054045a9bd3b80a4ce1d398f11f Patch 
https://git.kernel.org/stable/c/ef7f9f894cfd0b2e471206409a529af4a26ddd55 Patch 
https://git.kernel.org/stable/c/fcfe1b5e162bf473c1d47760962cec8523c00466 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-49479
NVD Published Date:
02/26/2025
NVD Last Modified:
03/24/2025
Source:
kernel.org