CVE-2026-68267 drm/xe/rtp: Add RING_FORCE_TO_NONPRIV_DENY to OA whitelists
A local attacker can bypass security restrictions to access restricted OA registers in the Linux kernel's Xe GPU driver due to missing privilege denial bits.
- 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-2026-68267?
CVE-2026-68267 is a 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/xe/rtp: Add RING_FORCE_TO_NONPRIV_DENY to OA whitelists
Unconditionally whitelisting OA registers is a security violation. Set RING_FORCE_TO_NONPRIV_DENY bit in OA nonpriv slots, so that OA registers don't get whitelisted by default after probe, gt reset, resume and engine reset.
(cherry picked from commit 90511bdcfda97211c01f1d945d4ea616578d8fca)
Which versions are affected by CVE-2026-68267?
How do I fix CVE-2026-68267?
Apply the vendor's patch.
Is CVE-2026-68267 being exploited?
There is no known exploitation of CVE-2026-68267 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-68267, DEBIAN-CVE-2026-68267, GHSA-98pm-wggw-r936, UBUNTU-CVE-2026-68267.