CVE-2026-68243
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 versions
Linux kernel versions
5.15
and later are affected. Fixed in
5.15.216,
6.1.183,
6.6.148,
6.12.101,
6.18.42,
7.1.6,
7.2
and their respective stable series.
References
7 totalFrequently asked questions
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What is CVE-2026-68243?
CVE-2026-68243 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.15 onward and has been patched in 5.15.216, 6.1.183, 6.6.148 and others. CVE-2026-68243 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-68243?
Yes. CVE-2026-68243 has been patched. Fixed versions include 5.15.216, 6.1.183, 6.6.148 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-68243 actively exploited?
No. CVE-2026-68243 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.