CVE-2026-89833

{"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": "2026-10-30T12:33:12.025Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:33:12.025Z"}, "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": "64a47dc8286ff98d8c231ae035bdfe16be1b93bf", "status": "affected", "versionType": "git"}, {"version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "lessThan": "58ca9f06480457eb9c9513e1ae2b75316d4ed1e5", "status": "affected", "versionType": "git"}, {"version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "lessThan": "bdc06381d590ad5833ee7a2c56b8b685d80ee9b5", "status": "affected", "versionType": "git"}, {"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": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "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", "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": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "6.12.114"}, {"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"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/64a47dc8286ff98d8c231ae035bdfe16be1b93bf"}, {"url": "https://git.kernel.org/stable/c/58ca9f06480457eb9c9513e1ae2b75316d4ed1e5"}, {"url": "https://git.kernel.org/stable/c/bdc06381d590ad5833ee7a2c56b8b685d80ee9b5"}, {"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/f2fs/node.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "64a47dc8286ff98d8c231ae035bdfe16be1b93bf", "status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "versionType": "git"}, {"lessThan": "58ca9f06480457eb9c9513e1ae2b75316d4ed1e5", "status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "versionType": "git"}, {"lessThan": "bdc06381d590ad5833ee7a2c56b8b685d80ee9b5", "status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "versionType": "git"}, {"lessThan": "161513f53e4ac90fd356433bdf8e31e6adeb92af", "status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "versionType": "git"}, {"lessThan": "905411f6504876d268ba8dafc8e75367782da4b7", "status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "versionType": "git"}, {"lessThan": "ce366bfa821ec81dd45bde547ee31e659306cc61", "status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/f2fs/node.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.7"}, {"lessThan": "4.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.51", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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"}], "id": "CVE-2026-89833", "lastModified": "2026-10-30T13:20:30.497", "metrics": {}, "published": "2026-09-16T11:16:50.080", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/58ca9f06480457eb9c9513e1ae2b75316d4ed1e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/64a47dc8286ff98d8c231ae035bdfe16be1b93bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bdc06381d590ad5833ee7a2c56b8b685d80ee9b5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[608514deba38c8611ad330d6a3c8e2b9a1f68e4b,161513f53e4ac90fd356433bdf8e31e6adeb92af)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[608514deba38c8611ad330d6a3c8e2b9a1f68e4b,905411f6504876d268ba8dafc8e75367782da4b7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[608514deba38c8611ad330d6a3c8e2b9a1f68e4b,ce366bfa821ec81dd45bde547ee31e659306cc61)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.51,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.5,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-17T10:30:14.600071+00:00", "updated": "2026-09-18T10:00:06.875965+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-674"]}