Bug 2513388 (CVE-2026-68243) - CVE-2026-68243 kernel: drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU
Summary: CVE-2026-68243 kernel: drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU
Keywords:
Status: NEW
Alias: CVE-2026-68243
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-10 12:34 UTC by OSIDB Bzimport
Modified: 2026-08-12 16:41 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-08-10 12:34:38 UTC 
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)
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