CVE-2026-52987

Summary: CVE-2026-52987 affects the Linux kernel’s DRM AMDGPU code. When new_addition is true, amdgpu_userq_vm_validate() calls drm_exec_fini(&exec) before walking the collected HMM ranges and calling amdgpu_ttm_tt_get_user_pages(). If amdgpu_ttm_tt_get_user_pages() fails in that path, code jumps...