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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-49488

drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected

Description

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected There is a possibility for mdp5_get_global_state to return -EDEADLK when acquiring the modeset lock, but currently global_state in mdp5_mixer_release doesn't check for if an error is returned. To avoid a NULL dereference error, let's have mdp5_mixer_release check if an error is returned and propagate that error. Patchwork: https://patchwork.freedesktop.org/patch/485181/

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 7907a0d77cb461f58045763c205a5830be72e97c to < 1a5d1474026ea4f1a6f931075ca2adb884af39cfaffected
  • 7907a0d77cb461f58045763c205a5830be72e97c to < 22d8424913b1348c6324916745fadaeea5273f0eaffected
  • 7907a0d77cb461f58045763c205a5830be72e97c to < 883f1d52a57bf51e1d7a80c432345e2c6222477eaffected
  • 7907a0d77cb461f58045763c205a5830be72e97c to < 09bdeedc1fc53e64b8282e1de67752c69e43bdbaaffected
  • 7907a0d77cb461f58045763c205a5830be72e97c to < 47e393061049aff6818d1b9fdca7351411a23fc2affected
  • 7907a0d77cb461f58045763c205a5830be72e97c to < 46e5ce63924a96af452c4fc5ee0bb3b241e1b9f4affected
  • 7907a0d77cb461f58045763c205a5830be72e97c to < ca75f6f7c6f89365e40f10f641b15981b1f07c31affected

Linux Linux

Default version status: affected

  • 4.18affected
  • 0 to < 4.18unaffected
  • 4.19.247 to ≤ 4.19.*unaffected
  • 5.4.198 to ≤ 5.4.*unaffected
  • 5.10.121 to ≤ 5.10.*unaffected
  • 5.15.46 to ≤ 5.15.*unaffected
  • 5.17.14 to ≤ 5.17.*unaffected
  • 5.18.3 to ≤ 5.18.*unaffected
  • 5.19 to ≤ *unaffected

References