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Linux Kernel Wi-Fi MT76 MT7915 Memory Leak Vulnerability in MCU Exit Routine

Vulnerability

A memory leak vulnerability has been addressed in the Linux kernel's Wi-Fi MT76 MT7915 driver. The issue arose in the 'mt7915_mcu_exit' function, where the MCU SKB queues were not properly cleared if the firmware state check failed. This vulnerability affects the Linux kernel stable tree.

Impact

The vulnerability could lead to a memory leak, where allocated memory is not properly released, potentially causing increased memory usage and degradation of system performance over time.

Remediation

Users can apply the latest patches available in the Linux kernel stable tree to address this vulnerability.

Added: Oct 1, 2025, 2:38 PM
Updated: Oct 1, 2025, 2:38 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
5.3
remediation
7.7
relevance
0.6
threat
3.2
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.