CVE-2023-53806 drm/amd/display: populate subvp cmd info only for the top pipe
A page fault in the AMD display driver causes system restarts when changing resolution, requiring a kernel patch to fix.
- 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-2023-53806?
CVE-2023-53806 is a high-severity vulnerability in Linux, published on 9 Dec 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/display: populate subvp cmd info only for the top pipe
[Why] System restart observed while changing the display resolution to 8k with extended mode. Sytem restart was caused by a page fault.
[How] When the driver populates subvp info it did it for both the pipes using vblank which caused an outof bounds array access causing the page fault. added checks to allow the top pipe only to fix this issue.
Which versions are affected by CVE-2023-53806?
How do I fix CVE-2023-53806?
Apply the vendor's patch.
Is CVE-2023-53806 being exploited?
There is no known exploitation of CVE-2023-53806 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-53806, DEBIAN-CVE-2023-53806, GHSA-8pcm-j4xj-qhj7, ROOT-OS-DEBIAN-11-CVE-2023-53806, ROOT-OS-UBUNTU-2204-CVE-2023-53806, UBUNTU-CVE-2023-53806.