VULNERABILITY INTELLIGENCE

CVE-2026-63856

CVSS score7.8 HIGH

EPSS probability0.18%

CISA KEVNot currently listed

Published2026-07-19

Last modified2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v2.0 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 e2b5499fca55f1a32960a311bbb62e35891eaf73)