CVE-2026-63856

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

CVE-2026-63856

In the Linux kernel, CVE-2026-63856 affects the AMDGPU VCN subsystem. The issue stems from not supporting 64-bit user fence writes in VCN v2.0 encoder/decoder rings, leading to rejection of CS submissions that use user fences. A fix was applied by setting no_user_fence for VCN v2.0 enc/dec rings ...

CVE-2026-63855 drm/amdgpu/vcn: set no_user_fence for VCN v2.5 enc/dec rings

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v2.5 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...

CVE-2026-63854 drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v3.0 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...

PT-2026-61173

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...

CVE-2026-43298 drm/amdgpu: Skip vcn poison irq release on VF

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm clean up the vf2pf work item 71.915088 ------------ cut here...

CVE-2026-43298 drm/amdgpu: Skip vcn poison irq release on VF

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm clean up the vf2pf work item 71.915088 ------------ cut here...