CVE-2025-39918 wifi: mt76: fix linked list corruption
A linked list corruption in the mt76 WiFi driver can lead to memory corruption, potentially causing system crashes or arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-39918?
CVE-2025-39918 is a high-severity memory corruption vulnerability in Linux kernel, published on 1 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: fix linked list corruption
Never leave scheduled wcid entries on the temporary on-stack list
Which versions are affected by CVE-2025-39918?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-39918?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-39918 being exploited?
There is no known exploitation of CVE-2025-39918 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-39918, DEBIAN-CVE-2025-39918, GHSA-64qw-p444-mx2m, UBUNTU-CVE-2025-39918.