CVE-2026-63853 drm/amdgpu/vcn: set no_user_fence for VCN v4.0 enc ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence 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 fd852c048b46f9825e904a4f3f4538fe9d8827...

CVE-2026-46204

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB Rewrite the IB parsing to use amdgpuibgetvalue which handles the bounds checks...

CVE-2026-46217

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CVE-2026-46217

CVE-2026-46217 concerns the Linux kernel AMDGPU driver component drm/amdgpu/vcn4, where an integer overflow occurs during a message bound check. Red Hat reports the flaw could cause system instability or DoS, indicating the vulnerability lies in the vcn4 code path of the AMDGPU driver. Several so...

CVE-2026-46204

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB Rewrite the IB parsing to use amdgpuibgetvalue which handles the bounds checks...