CVE-2026-72174

CVE-2026-72174 affects the Linux kernel’s hugetlb mmap/pagemap handling. The vulnerability arises in fs/proc/task_mmu during a PAGEMAP_SCAN with PM_SCAN_WP_MATCHING on a hugetlb VMA, where walking hole entries via pagemap_scan_pte_hole() leads to a deadlock: the thread holds a read lock while att...