CVE-2026-23097

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> migrate: correct lock ordering for hugetlb file folios<br /> <br /> Syzbot has found a deadlock (analyzed by Lance Yang):<br /> <br /> 1) Task (5749): Holds folio_lock, then tries to acquire i_mmap_rwsem(read lock).<br /> 2) Task (5754): Holds i_mmap_rwsem(write lock), then tries to acquire<br /> folio_lock.<br /> <br /> migrate_pages()<br /> -&gt; migrate_hugetlbs()<br /> -&gt; unmap_and_move_huge_page() remove_migration_ptes()<br /> -&gt; __rmap_walk_file()<br /> -&gt; i_mmap_lock_read() hugetlbfs_punch_hole() hugetlbfs_zero_partial_page()<br /> -&gt; filemap_lock_hugetlb_folio()<br /> -&gt; filemap_lock_folio()<br /> -&gt; __filemap_get_folio