CVE-2025-40086 drm/xe: Don't allow evicting of BOs in same VM in array of VM binds
A local attacker can trigger a NULL pointer dereference in the Linux kernel's Xe GPU driver, 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-2025-40086?
CVE-2025-40086 is a vulnerability in Linux, published on 30 Oct 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/xe: Don't allow evicting of BOs in same VM in array of VM binds
An array of VM binds can potentially evict other buffer objects (BOs) within the same VM under certain conditions, which may lead to NULL pointer dereferences later in the bind pipeline. To prevent this, clear the allow_res_evict flag in the xe_bo_validate call.
v2: - Invert polarity of no_res_evict (Thomas) - Add comment in code explaining issue (Thomas)
(cherry picked from commit 8b9ba8d6d95fe75fed6b0480bb03da4b321bea08)
Which versions are affected by CVE-2025-40086?
How do I fix CVE-2025-40086?
Apply the vendor's patch.
Is CVE-2025-40086 being exploited?
There is no known exploitation of CVE-2025-40086 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2025-40086, DEBIAN-CVE-2025-40086, GHSA-j8q5-7w54-24xj, ROOT-OS-DEBIAN-13-CVE-2025-40086, ROOT-OS-UBUNTU-2404-CVE-2025-40086, UBUNTU-CVE-2025-40086.