CVE-2026-80908 drm/amdgpu: Reject UVD message with dimensions above 4096
A local attacker can trigger an integer overflow in the AMD GPU driver's UVD message handling, potentially causing a system crash.
- 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-2026-80908?
CVE-2026-80908 is a vulnerability in Linux, published on 4 Sep 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: Reject UVD message with dimensions above 4096
Fixes potential overflow in DPB size calculations.
(cherry picked from commit 05e1387d151f71569fbe122d2c89f9db0c21dc10)
Which versions are affected by CVE-2026-80908?
How do I fix CVE-2026-80908?
Apply the vendor's patch.
Is CVE-2026-80908 being exploited?
There is no known exploitation of CVE-2026-80908 in the wild and no public exploit code.
Sources
Also known as AZL-99440, BELL-CVE-2026-80908, DEBIAN-CVE-2026-80908, GHSA-fr2g-2rrh-mg97, UBUNTU-CVE-2026-80908.