CVE-2026-68109 drm/amdgpu/sdma7.1: replace BUG_ON() with WARN_ON()
A local attacker can trigger a kernel crash in the AMD GPU driver by hitting specific error conditions, 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-2026-68109?
CVE-2026-68109 is a denial of service vulnerability in Linux, published on 10 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/sdma7.1: replace BUG_ON() with WARN_ON()
There's no need to crash the kernel for these cases.
(cherry picked from commit c4f230b51cf2d3e7e8b1c800331f3dbed2a9e3f5)
Which versions are affected by CVE-2026-68109?
How do I fix CVE-2026-68109?
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-2026-68109 being exploited?
There is no known exploitation of CVE-2026-68109 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-68109, GHSA-hhj6-g9jc-f7pm, UBUNTU-CVE-2026-68109.