CVE-2026-43305 | BDVDB-2026-331503 Detail

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.

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History#

1. Version 12026-05-08Record published in the CVE List.
2. Version 22026-11-06Most recent update recorded in the CVE List.