drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU
Setting context engine slot N into I915_ENGINE_CLASS_INVALID /
I915_ENGINE_CLASS_INVALID_NONE and attempting to apply
I915_CONTEXT_PARAM_SSEU 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 products
Linux · LinuxReferences
https://git.kernel.org/stable/c/2b56757a9a7456825eb668fde92299e01c5e2721https://git.kernel.org/stable/c/726f27bca93e6c83b263542669132ee1d0eb693ehttps://git.kernel.org/stable/c/97a4872ef927dee301d76085cb19f6e36d4a53a4https://git.kernel.org/stable/c/97f236379f06a5082d37c6a764edd56bb58a94cdhttps://git.kernel.org/stable/c/9923c223d38fcd9602f41cc31d480e5299d9a38ehttps://git.kernel.org/stable/c/b226dee4ee1fff2909f79e8ad700b7082f8d3569https://git.kernel.org/stable/c/edd2edaca52ada833c341c8b264aaea9dd93369c