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CVE-2026-63854

drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 663bed3c7b8b9a7624b0d95d300ddae034ad0614)

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected cf14826cdfb5c9fe10f98210d040b9d7486c381d before e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c; affected cf14826cdfb5c9fe10f98210d040b9d7486c381d before 26c4f38529ac78930c9c4713e16ebc5b689bb0a3; affected cf14826cdfb5c9fe10f98210d040b9d7486c381d before 2d6525e7b2504f5bbfe9417cddc1e8da858791dd; affected cf14826cdfb5c9fe10f98210d040b9d7486c381d before b076e45e6f757a2829e80d0144c1b5f201bee5af; affected cf14826cdfb5c9fe10f98210d040b9d7486c381d before f1e5a6660d7cbf006079126d9babbf0ccf538c6b
Linux / Linuxaffected 5.9; unaffected 0 before 5.9; unaffected 6.6.141 through 6.6.*; unaffected 6.12.91 through 6.12.*; unaffected 6.18.33 through 6.18.*; unaffected 7.0.10 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.