CVE-2026-80539

CVE-2026-80539 affects the Linux kernel 's drm/amdgpu driver. In amdgpu_cs_pass1(), a user submission carrying multiple AMDGPU_CHUNK_ID_FENCE chunks causes amdgpu_cs_p1_user_fence() to run more than once. Because p->uf_bo is a single-slot field, each subsequent call overwrites it with a newly ...

Linux Distros Unpatched Vulnerability : CVE-2026-80539

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amdgpu: disallow multiple FENCE chunks in one submit amdgpucspass1 dispatches on chunkid once per chunk without rejecting repeated ids. p-ufbo is a...

PT-2026-82155

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/amdgpu component where the amdgpu cs pass1 function fails to reject repeated chunk IDs. When a submission contains multiple AMDGPU CHUNK ID FENCE chunks, the...