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CVE-2026-63849

drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 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 e16be95a2c3ee712b142cb27d2dca0b461181359)

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 346492f30ce3581bf5324c4ae417eab8537dc998 before 081ef0e46c9cdd26c0db0ef721470393d36b6655; affected 346492f30ce3581bf5324c4ae417eab8537dc998 before 5a4bffd67e94944ed3db26a959346cfb7fabaecd; affected 346492f30ce3581bf5324c4ae417eab8537dc998 before 8f4954722eab88e10c4ea0c0d3b1269c31421d3a
Linux / Linuxaffected 6.14; unaffected 0 before 6.14; 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.