EUVD-2026-45537

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...

EUVD-2026-45536

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0.3 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...

CVE-2026-63853

CVE-2026-63853 affects the Linux kernel's AMDGPU/VCN subsystem. The vulnerability arises in the VCN v4.0 encoder/decoder rings, which do not support 64-bit user fence writes; as a result, the driver now rejects CS submissions that use user fences to prevent potential misuse. The fix, cherry-picke...

CVE-2026-63852

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0.3 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...

CVE-2026-63852 drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 enc ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0.3 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...

CVE-2026-63851

The CVE-2026-63851 entry documents a Linux kernel vulnerability in drm/amdgpu/vcn where VCN encoder/decoder rings (v4.0.5 enc ring) do not support 64-bit user fence writes. Consequently, the kernel now rejects CS submissions with user fences to mitigate unsafe fence usage. Root cause: 64-bit user...

CVE-2026-63851 drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0.5 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...

EUVD-2026-45535

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v4.0.5 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...

CVE-2026-63849 drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring

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...

CVE-2026-63850

The CVE-2026-63850 vulnerability affects the Linux kernel’s DRM/AMDGPU VCN path. Specifically, the VCN encoder/decoder rings in certain AMDGPU environments do not support 64-bit user fence writes, and are now prevented from submitting CS with user fences. The issue arises in VCN v5.0.0 enc ring b...

CVE-2026-63850 drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v5.0.0 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...

CVE-2026-63849 drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring

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...

EUVD-2026-45533

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...

CVE-2026-63849

CVE-2026-63849 affects Linux kernel DRM/AMDGPU VCN: the VCN encoder/decoder rings (v5.0.1 enc ring) do not support 64-bit user fence writes, and submissions using user fences are rejected. This is caused by set_no_user_fence for the VCN enc ring, fixed via a cherry-pick in the referenced commit. ...

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...

CVE-2026-63850 drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v5.0.0 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...

EUVD-2026-45534

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v5.0.0 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...

PT-2026-61170

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the Linux kernel, the AMDGPU VCN 4.0 path contains an issue where VCN encoder and decoder rings do not support 64-bit user fence writes. This necessitates the rejection of CS...

PT-2026-61169

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The VCN encoder and decoder rings in the drm/amdgpu/vcn component do not support 64-bit user fence writes. This issue leads to the rejection of CS submissions that utilize user fences...

PT-2026-61172

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The VCN encoder and decoder rings in the drm/amdgpu/vcn component do not support 64-bit user fence writes. This issue leads to the rejection of CS submissions that utilize user fences...