CVE-2026-68244 PUBLISHED

drm/i915/gem: Do not leak siblings[] on proto context error

Assigner: Linux
Reserved: 30.07.2026 Published: 10.08.2026 Updated: 10.08.2026

In the Linux kernel, the following vulnerability has been resolved:

drm/i915/gem: Do not leak siblings[] on proto context error

After a successful BALANCE/PARALLEL_SUBMIT extension on context creation, error during processing of next user extension leaks the siblings[] array. Fix that.

Discovered using AI-assisted static analysis confirmed by Intel Product Security.

(cherry picked from commit aa65e0a4b51b3b54b53e4142aaa2d997aa1061ff)

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from d4433c7600f794623d6802395542cf4ca4f1b1f9 to f014702fbd48d06a3d7a06e4bb4075d406376cf0 (excl.)
  • affected from d4433c7600f794623d6802395542cf4ca4f1b1f9 to 8431a4d7ff95c7f9c6fb1dbbbc9cdadf29d4f6d5 (excl.)
  • affected from d4433c7600f794623d6802395542cf4ca4f1b1f9 to 37951ce1567ccf8c86c7a1b8fb7d55a32c821b87 (excl.)
  • affected from d4433c7600f794623d6802395542cf4ca4f1b1f9 to 6cdbef8f60f313684e641628d64aa85960080d3f (excl.)
  • affected from d4433c7600f794623d6802395542cf4ca4f1b1f9 to eed3de2acf6aa5154d49098b026710b646db67ee (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.15 is affected
  • unaffected from 0 to 5.15 (excl.)
  • unaffected from 6.6.148 to 6.6.* (incl.)
  • unaffected from 6.12.101 to 6.12.* (incl.)
  • unaffected from 6.18.42 to 6.18.* (incl.)
  • unaffected from 7.1.6 to 7.1.* (incl.)
  • unaffected from 7.2-rc3 to * (incl.)

References