CVE-2026-93059 PUBLISHED

drm/msm: Fix task_struct reference leak in recover_worker

Assigner: Linux
Reserved: 17.09.2026 Published: 17.09.2026 Updated: 17.09.2026

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

drm/msm: Fix task_struct reference leak in recover_worker

get_pid_task() increments the task reference count, but the corresponding put_task_struct() was missing in the else branch, leaking a reference on every GPU hang recovery.

Patchwork: https://patchwork.freedesktop.org/patch/730662/

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 25654a1756a4ace072404e89882d7ba8391900bd to 6c472fde2c8096e16bb46b0605adda2488f300c0 (excl.)
  • affected from 25654a1756a4ace072404e89882d7ba8391900bd to d684f756d029d81db1cd64cd9645556e53fcc784 (excl.)
  • affected from 25654a1756a4ace072404e89882d7ba8391900bd to 40b793714ad8f393ab3d469f9d00b20ebda46257 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.17 is affected
  • unaffected from 0 to 6.17 (excl.)
  • unaffected from 6.18.52 to 6.18.* (incl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References