CVE-2026-64416

CVE-2026-64416 is a NULL pointer dereference in the Linux kernel's mm: swap_cgroup subsystem. lookup_swap_cgroup_id() passes swap_cgroup_ctrl[type].map to __swap_cgroup_id_lookup() without verifying the swap type was registered; on a swapless host , every ctrl->map is NULL, causing a crash. Th...