CVE-2026-89815 drm/ttm: Drop tt->restore after successful restore

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Drop tt-restore after successful restore ttmpoolrestoreandalloc can successfully complete the restore process via ttmpoolrestorecommit, but tt-restore is not dropped afterward. As a result, subsequent backup/restore flow...

CVE-2026-89815

CVE-2026-89815 affects the Linux kernel in the drm/ttm (Translation Table Manager) subsystem, specifically triggered via the Intel Xe GPU driver 's execution buffer path. The root cause is that ttm_pool_restore_and_alloc() fails to free and drop tt->restore after a successful restore commit, l...

CVE-2026-89815: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Drop tt-restore after successful restore ttmpoolrestoreandalloc can successfully complete the restore process via ttmpoolrestorecommit, but tt-restore is not dropped afterward. As a result, subsequent backup/restore flow...