CVE-2026-64021

The CVE concerns the Linux kernel DRM subsystem (drm/xe/oa). The issue occurs in xe_oa_stream_open_ioctl() when param.exec_q->width > 1: it returns -EOPNOTSUPP directly, bypassing the err_exec_q cleanup path, causing a leaked reference from xe_exec_queue_lookup() and preventing the file’s p...