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CVE-2026-63850

drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 49b1fbbb5a071197ee71e2d70959b1cb29bdc317)

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected b6d1a06320519ac3bfda6ce81067a1bc409b9cff before 9f5a1459ecc3195282be617639d710b54779c9dc; affected b6d1a06320519ac3bfda6ce81067a1bc409b9cff before 139a8a52ef4349c62129703b3a3e3a6ae4d634eb; affected b6d1a06320519ac3bfda6ce81067a1bc409b9cff before 2c350f3cd94be847ac216e1358ec7001eaaf0934; affected b6d1a06320519ac3bfda6ce81067a1bc409b9cff before 8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb
Linux / Linuxaffected 6.9; unaffected 0 before 6.9; 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.