CVE-2026-68243: drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU
In the Linux kernel, the following vulnerability has been resolved:
drm/i915/gem: Fix NULL deref in I915CONTEXTPARAMSSEU
Setting context engine slot N into I915ENGINECLASSINVALID / I915ENGINECLASSINVALIDNONE and attempting to apply I915CONTEXTPARAMSSEU to the same slot N will deref NULL. Fix that.
Discovered using AI-assisted static analysis confirmed by Intel Product Security.
(cherry picked from commit 36eda5b5c2d40da41cc0a5403c26986237cf9e87)
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-68243?
The severity of CVE-2026-68243 is rated at 27.
How do I fix CVE-2026-68243?
To fix CVE-2026-68243, update your Linux kernel to the latest version where the vulnerability has been patched.
What systems are affected by CVE-2026-68243?
CVE-2026-68243 affects systems running the vulnerable versions of the Linux kernel with the drm/i915/gem module.
What kind of attack vector is CVE-2026-68243 associated with?
CVE-2026-68243 is associated with a potential NULL dereference that may be exploited in user space.
Is CVE-2026-68243 a critical vulnerability?
While CVE-2026-68243 has a low to moderate severity score, it should be addressed promptly to avoid potential stability issues.