In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0 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 fd852c048b46f9825e904a4f3f4538fe9d8827d9)
https://git.kernel.org/stable/c/6bdd2ed6458d35c368fbe9550a4d7f342abd3a92
https://git.kernel.org/stable/c/51f694221047c84fa185be98210eb2c354ffb8c6
https://git.kernel.org/stable/c/1286b6872de0aee1feeeaa6dbac86369806de9a5