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Vulnerability DatabaseCVE-2025-39918

CVE-2025-39918: 
Linux Kernel vulnerability analysis and mitigation

Overview

CVE-2025-39918 is a vulnerability discovered in the Linux kernel affecting the WiFi subsystem, specifically the mt76 driver component. The vulnerability was published on October 1, 2025, and involves a linked list corruption issue in the handling of scheduled wcid entries on temporary on-stack lists (NVD).

Technical details

The vulnerability specifically affects the mt76 WiFi driver in the Linux kernel, where there was a potential for linked list corruption due to improper handling of scheduled wcid (Wireless Client ID) entries that were being maintained on temporary on-stack lists (Debian Security).

Impact

The vulnerability affects various Linux distributions and their kernel versions, with different levels of impact across distributions. Ubuntu has marked this with a medium priority, while some distributions like Debian have already implemented fixes in their repositories (Ubuntu Security).

Mitigation and workarounds

Multiple Linux distributions have released fixes for this vulnerability. Debian has implemented fixes in various versions including bullseye (5.10.237-1), bookworm (6.1.153-1), and trixie (6.12.48-1). Ubuntu has also addressed this in several kernel versions across different releases (Debian Security).

Additional resources

Source: This report was generated using AI

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