{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89833","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.769Z","datePublished":"2026-09-16T10:31:05.680Z","dateUpdated":"2026-09-16T10:31:05.680Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-16T10:31:05.680Z"},"descriptions":[{"lang":"en","value":"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"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/node.c"],"versions":[{"version":"608514deba38c8611ad330d6a3c8e2b9a1f68e4b","lessThan":"161513f53e4ac90fd356433bdf8e31e6adeb92af","status":"affected","versionType":"git"},{"version":"608514deba38c8611ad330d6a3c8e2b9a1f68e4b","lessThan":"905411f6504876d268ba8dafc8e75367782da4b7","status":"affected","versionType":"git"},{"version":"608514deba38c8611ad330d6a3c8e2b9a1f68e4b","lessThan":"ce366bfa821ec81dd45bde547ee31e659306cc61","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/node.c"],"versions":[{"version":"4.7","status":"affected"},{"version":"0","lessThan":"4.7","status":"unaffected","versionType":"semver"},{"version":"6.18.51","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.5","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af"},{"url":"https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7"},{"url":"https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61"}],"title":"f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()","x_generator":{"engine":"bippy-1.2.0"}}}}