CVE-2026-68243

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinuxd4433c7600f794623d6802395542cf4ca4f1b1f9 < edd2edaca52ada833c341c8b264aaea9dd93369caffected
LinuxLinuxd4433c7600f794623d6802395542cf4ca4f1b1f9 < 9923c223d38fcd9602f41cc31d480e5299d9a38eaffected
LinuxLinuxd4433c7600f794623d6802395542cf4ca4f1b1f9 < 726f27bca93e6c83b263542669132ee1d0eb693eaffected
LinuxLinuxd4433c7600f794623d6802395542cf4ca4f1b1f9 < 97f236379f06a5082d37c6a764edd56bb58a94cdaffected
LinuxLinuxd4433c7600f794623d6802395542cf4ca4f1b1f9 < 2b56757a9a7456825eb668fde92299e01c5e2721affected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux6.6.148 <= 6.6.*unaffected
LinuxLinux6.12.101 <= 6.12.*unaffected
LinuxLinux6.18.42 <= 6.18.*unaffected
LinuxLinux7.1.6 <= 7.1.*unaffected
LinuxLinux7.2-rc3 <= *unaffected

Weaknesses

References