What’s Vulnerable › Vulnerabilities

CVE-2026-68243: drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-10 · updated 2026-08-19

Description

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 kernel: 5.15 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2b56757a9a7456825eb668fde92299e01c5e2721
• https://git.kernel.org/stable/c/726f27bca93e6c83b263542669132ee1d0eb693e
• https://git.kernel.org/stable/c/97a4872ef927dee301d76085cb19f6e36d4a53a4
• https://git.kernel.org/stable/c/97f236379f06a5082d37c6a764edd56bb58a94cd
• https://git.kernel.org/stable/c/9923c223d38fcd9602f41cc31d480e5299d9a38e
• https://git.kernel.org/stable/c/b226dee4ee1fff2909f79e8ad700b7082f8d3569
• https://git.kernel.org/stable/c/edd2edaca52ada833c341c8b264aaea9dd93369c

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