CVE-2025-38705 drm/amd/pm: fix null pointer access
A null pointer dereference in the Linux kernel AMD power management driver allows local attackers to cause a denial of service via sysfs writes.
- 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-2025-38705?
CVE-2025-38705 is a medium-severity vulnerability in Linux kernel, published on 4 Sep 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:
drm/amd/pm: fix null pointer access
Writing a string without delimiters (' ', '\n', '\0') to the under gpu_od/fan_ctrl sysfs or pp_power_profile_mode for the CUSTOM profile will result in a null pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2025-38705?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38705?
Apply the vendor's patch.
Is CVE-2025-38705 being exploited?
There is no known exploitation of CVE-2025-38705 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-66851, AZL-70757, BELL-CVE-2025-38705, DEBIAN-CVE-2025-38705, GHSA-g5p4-mh5h-5m3q, ROOT-OS-DEBIAN-11-CVE-2025-38705 and 4 more.