CVE-2026-63852

A flaw was found in the Linux kernel's AMD GPU Graphics Processing Unit Video Core Next VCN component. This vulnerability arises because the VCN encoder and decoder rings do not properly handle 64-bit user fence writes, leading to the rejection of command submissions that utilize these fences. An...

CVE-2026-63851

A flaw was found in the Linux kernel's AMDGPU VCN Video Core Next driver. This issue arises because the VCN hardware's encoder and decoder components do not properly handle 64-bit user fence writes. An attacker could trigger this by submitting specific commands, causing the system to reject these...

CVE-2026-63849

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence 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...