CVE-2026-23051 drm/amdgpu: fix drm panic null pointer when driver not support atomic
A null pointer dereference in the amdgpu driver causes a kernel panic when atomic support is disabled, leading to local denial of service.
- 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-2026-23051?
CVE-2026-23051 is a vulnerability in Linux, published on 4 Feb 2026. 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/amdgpu: fix drm panic null pointer when driver not support atomic
When driver not support atomic, fb using plane->fb rather than plane->state->fb.
(cherry picked from commit 2f2a72de673513247cd6fae14e53f6c40c5841ef)
Which versions are affected by CVE-2026-23051?
How do I fix CVE-2026-23051?
Apply the vendor's patch.
Is CVE-2026-23051 being exploited?
There is no known exploitation of CVE-2026-23051 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-23051, DEBIAN-CVE-2026-23051, GHSA-g7rw-373x-8c77, UBUNTU-CVE-2026-23051.