CVE-2026-68430 drm/amdgpu/gfx8: drop unecessary BUG_ON()
A local attacker can trigger a kernel crash in the AMD GPU driver by hitting an unnecessary assertion, causing a denial of service.
- 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-2026-68430?
CVE-2026-68430 is a denial of service vulnerability in Linux, published on 12 Aug 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/gfx8: drop unecessary BUG_ON()
There's no need to crash the kernel for this case.
(cherry picked from commit 4d7c25208ca612b754f3bf39e9f16e725b828891)
Which versions are affected by CVE-2026-68430?
How do I fix CVE-2026-68430?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-68430 being exploited?
There is no known exploitation of CVE-2026-68430 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-68430, DEBIAN-CVE-2026-68430, GHSA-8hq9-jc6j-hg47, UBUNTU-CVE-2026-68430.