Linux Kernel WiFi MT76 MT7996 WCID Pointer Clearance Vulnerability

A vulnerability exists in the Linux kernel's WiFi MT76 MT7996 driver, where the Wireless Client Identifier (WCID) pointer is not properly cleared when deinitializing a station link. This issue can lead to potential memory management problems. The vulnerability affects several versions of the Linux kernel.

Impact

The vulnerability could cause memory management issues, potentially leading to use-after-free conditions or other memory corruption problems.

Reproduction

The vulnerability can be reproduced by adding a station link in the MT7996 driver and then removing it. The WCID pointer associated with the station link is not cleared, which can cause memory management issues.

Remediation

Users can upgrade to the latest version of the Linux kernel, where this vulnerability has been addressed.