{"id":"CVE-2026-89833","published":"2026-09-16T11:16:50.080","lastModified":"2026-09-16T11:16:50.080","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()\n\nThere is potential deadloop in race condition:\n\nThread A\t\t\t\tThread B\n- fsync\n - f2fs_do_sync_file\n  - f2fs_fsync_node_pages\n   - last_fsync_dnode\n    - folio_get(last_folio)\n\t\t\t\t\t- f2fs_setattr\n\t\t\t\t\t - f2fs_truncate\n\t\t\t\t\t  - f2fs_truncate_blocks\n\t\t\t\t\t   - f2fs_do_truncate_blocks\n\t\t\t\t\t    - f2fs_truncate_inode_blocks\n\t\t\t\t\t     - truncate_dnode\n\t\t\t\t\t      - truncate_node\n\t\t\t\t\t       - invalidate_mapping_pages\n\t\t\t\t\t        - folio->mapping = NULL\n   - is_node_folio alwasy return false\n   - atomic && !marked is always true,\n     then goto retry","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af","tags":[]},{"url":"https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7","tags":[]},{"url":"https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}