CVE-2026-43305
drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 8, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4e387ad67efb100b645630ffbce7716786f52283 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < af3303970da5ce5bfe6dffdd07f38f42aad603e0
Linux / Linux
All versions affected