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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-43305

drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path [Why] The evaluation for whether we need to use the DMUB HW lock isn't the same as whether we need to unlock which results in a hang when the fast path is used for ASIC without FAMS support. [How] Store a flag that indicates whether we should use the lock and use that same flag to specify whether unlocking is needed.

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

  • 7d041982fe11fff29b32a09228c4d52f159b56ad to < 4e387ad67efb100b645630ffbce7716786f52283affected
  • 7d041982fe11fff29b32a09228c4d52f159b56ad to < af3303970da5ce5bfe6dffdd07f38f42aad603e0affected

Linux Linux

Default version status: affected

  • 6.19affected
  • 0 to < 6.19unaffected
  • 6.19.6 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References