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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-53293

drm/amdgpu: fix AMDGPU_INFO_READ_MMR_REG

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix AMDGPU_INFO_READ_MMR_REG There were multiple issues in that code. First of all the order between the reset semaphore and the mm_lock was wrong (e.g. copy_to_user) was called while holding the lock. Then we allocated memory while holding the reset semaphore which is also a pretty big bug and can deadlock. Then we used down_read_trylock() instead of waiting for the reset to finish. (cherry picked from commit 361b6e6b303d4b691f6c5974d3eaab67ca6dd90e)

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

  • 8361e3f7882876d98ba98cae0d3149450dd80912 to < 8c4254c8f5836e77ae83e7fc037f02b69f7a0977affected
  • 9e823f307074c0f82b5f6044943b0086e3079bed to < 61957c2e467b39b528a290016367d32a433fa846affected
  • 9e823f307074c0f82b5f6044943b0086e3079bed to < a31c3feb54b15a90232e497ad0e27e8a82052d8daffected
  • 9e823f307074c0f82b5f6044943b0086e3079bed to < 5c29d20470d4566d1b68df57097d642d01f8b427affected
  • 9e823f307074c0f82b5f6044943b0086e3079bed to < 0ef196a208385b7d7da79f411c161b04e97283e2affected
  • 17a98c942cb106ec08564e8f43b5470a4dd5d3f6affected
  • 9a98563345697bdb1d3410ff428473b2e781f4dbaffected
  • 6.6.55 to < 6.6.141affected
  • 6.10.14 to < 6.11affected
  • 6.11.3 to < 6.12affected

Linux Linux

Default version status: affected

  • 6.12affected
  • 0 to < 6.12unaffected
  • 6.6.141 to ≤ 6.6.*unaffected
  • 6.12.91 to ≤ 6.12.*unaffected
  • 6.18.33 to ≤ 6.18.*unaffected
  • 7.0.10 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References