CVE-2025-38317 wifi: ath12k: Fix buffer overflow in debugfs
A buffer overflow in the ath12k debugfs interface allows root users to cause memory corruption, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-38317?
CVE-2025-38317 is a high-severity memory corruption vulnerability in Linux kernel, published on 10 Jul 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: ath12k: Fix buffer overflow in debugfs
If the user tries to write more than 32 bytes then it results in memory corruption. Fortunately, this is debugfs so it's limited to root users.
Weakness: CWE-787
Which versions are affected by CVE-2025-38317?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38317?
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-2025-38317 being exploited?
There is no known exploitation of CVE-2025-38317 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-38317, DEBIAN-CVE-2025-38317, GHSA-qj7g-2r62-xc22, UBUNTU-CVE-2025-38317.