CVE-2026-68264

The CVE-2026-68264 issue affects the Linux kernel drm/xe/pt path. In xe_pt_update_ops_init(), current_op (and related state: needs_svm_lock, needs_invalidation) was not reset, so on retry paths (lock contention or OOM eviction) xe_pt_update_ops_prepare() runs again on the same vops and increments...