{"id":"CVE-2026-89833","title":"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  - …","summary":"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  - …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 608514deba38c8611ad330d6a3c8e2b9a1f68e4b < 161513f53e4ac90fd356433bdf8e31e6adeb92af","Linux >= 608514deba38c8611ad330d6a3c8e2b9a1f68e4b < 905411f6504876d268ba8dafc8e75367782da4b7","Linux >= 608514deba38c8611ad330d6a3c8e2b9a1f68e4b < ce366bfa821ec81dd45bde547ee31e659306cc61","Linux 4.7"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T11:16:50.080","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89833","references":[{"url":"https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.999Z","epss":0.00198,"epssPercentile":0.09873,"slug":"CVE-2026-89833","body":"## Overview\n\nIn 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\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}