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CVE-2026-63851

drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 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 084d94ac93707bdda07efb5cee786f632de4219b)

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 547aad32edac17a3ec4989d8aad2426d0cbeb590 before 75091030f07b7957cc0646cd52e2d9d15f611483; affected 547aad32edac17a3ec4989d8aad2426d0cbeb590 before 6d9a98c5ed65ba92a09e4ca5a5f6941448145529; affected 547aad32edac17a3ec4989d8aad2426d0cbeb590 before 7f23b5c420b9f68a210c29c5123bace670aa8cc9; affected 547aad32edac17a3ec4989d8aad2426d0cbeb590 before 589a254bf3e88204c8402b9cbccd5e23a0af990f
Linux / Linuxaffected 6.7; unaffected 0 before 6.7; 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.