CVE-2026-68244 drm/i915/gem: Do not leak siblings[] on proto context error

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/PARALLELSUBMIT extension on context creation, error during processing of next user extension leaks the siblings array. Fix that. Discovered usin...

CVE-2026-68244

The CVE relates to the Linux kernel DRM/I915 GEM component. After a BALANCE/PARALLEL_SUBMIT extension during context creation, an error in processing the next user extension could leak the siblings[] array; this has been resolved. The fix is cherry-picked from commit aa65e0a4b51b3b54b53e4142aaa2d...