What’s Vulnerable › Vulnerabilities

CVE-2026-68242: drm/i915/gt: Fix NULL deref on sched_engine alloc failure

• 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 2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix NULL deref on sched_engine alloc failure Avoid using intel_context_put() before intel_context_init() in execlists_create_virtual() as the kref_put() inside would lead to NULL deref on the IOCTL path when sched_engine allocation fails. Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 4f2a12f2d50e9f48227656e4dcbd6423506be31d)

Affected products

• Linux: 5.15 — fixed in 7.2

How to fix

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

References

• https://git.kernel.org/stable/c/7214db3e62fa9f0be7981cba9039bd835a79c070
• https://git.kernel.org/stable/c/82ec992c404c3dc774c5e9f3d4aa858e97187675
• https://git.kernel.org/stable/c/9ea0aaf8bf9fda6e101f2304391f066d99d0d054
• https://git.kernel.org/stable/c/bedeee4612afc15c53f8d3c6da05897506b4ca24
• https://git.kernel.org/stable/c/c174969f6af6c22fc9c51aefcdb7f9183c3a329a
• https://git.kernel.org/stable/c/edd4804f07b8369ed472de19272974e2bf2a6271

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