CVE-2026-80804

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80804", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.794Z", "datePublished": "2026-09-04T15:13:18.282Z", "dateUpdated": "2026-10-19T08:43:57.464Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:43:57.464Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: restore nofs context unconditionally in xfs_trans_roll\n\nWhen __xfs_trans_commit() fails in xfs_trans_roll(), the NOFS context\nis cleared but only restored in the success path. This leaves the\nerror path without nofs protection, causing a circular lock dependency\nbetween xfs_nondir_ilock_class and fs_reclaim:\n\n CPU0 CPU1\n ---- ----\n lock(&xfs_nondir_ilock_class);\n lock(fs_reclaim);\n lock(&xfs_nondir_ilock_class);\n lock(fs_reclaim);\n\nFix this by moving xfs_trans_set_context() before the error check so\nthat nofs context is always restored on the new transaction."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/xfs_trans.c"], "versions": [{"version": "a1ca658d649a4d8972e2e21ac2625b633217e327", "lessThan": "b09198cf90ccf296970b774beea1c1ddb260f94c", "status": "affected", "versionType": "git"}, {"version": "a1ca658d649a4d8972e2e21ac2625b633217e327", "lessThan": "4d00a39c676274f4071b467e630565ac1e3ae0f2", "status": "affected", "versionType": "git"}, {"version": "a1ca658d649a4d8972e2e21ac2625b633217e327", "lessThan": "0241ea5fb0fe86d2a673163b2f5815111aadc7f7", "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/xfs/xfs_trans.c"], "versions": [{"version": "7.0", "status": "affected"}, {"version": "0", "lessThan": "7.0", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.11", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.1", "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": "7.0", "versionEndExcluding": "7.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.2.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b09198cf90ccf296970b774beea1c1ddb260f94c"}, {"url": "https://git.kernel.org/stable/c/4d00a39c676274f4071b467e630565ac1e3ae0f2"}, {"url": "https://git.kernel.org/stable/c/0241ea5fb0fe86d2a673163b2f5815111aadc7f7"}], "title": "xfs: restore nofs context unconditionally in xfs_trans_roll", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/xfs/xfs_trans.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b09198cf90ccf296970b774beea1c1ddb260f94c", "status": "affected", "version": "a1ca658d649a4d8972e2e21ac2625b633217e327", "versionType": "git"}, {"lessThan": "4d00a39c676274f4071b467e630565ac1e3ae0f2", "status": "affected", "version": "a1ca658d649a4d8972e2e21ac2625b633217e327", "versionType": "git"}, {"lessThan": "0241ea5fb0fe86d2a673163b2f5815111aadc7f7", "status": "affected", "version": "a1ca658d649a4d8972e2e21ac2625b633217e327", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/xfs/xfs_trans.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.0"}, {"lessThan": "7.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.11", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.1", "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\nxfs: restore nofs context unconditionally in xfs_trans_roll\n\nWhen __xfs_trans_commit() fails in xfs_trans_roll(), the NOFS context\nis cleared but only restored in the success path. This leaves the\nerror path without nofs protection, causing a circular lock dependency\nbetween xfs_nondir_ilock_class and fs_reclaim:\n\n CPU0 CPU1\n ---- ----\n lock(&xfs_nondir_ilock_class);\n lock(fs_reclaim);\n lock(&xfs_nondir_ilock_class);\n lock(fs_reclaim);\n\nFix this by moving xfs_trans_set_context() before the error check so\nthat nofs context is always restored on the new transaction."}], "id": "CVE-2026-80804", "lastModified": "2026-10-19T09:17:15.013", "metrics": {}, "published": "2026-09-04T16:18:07.397", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0241ea5fb0fe86d2a673163b2f5815111aadc7f7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4d00a39c676274f4071b467e630565ac1e3ae0f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b09198cf90ccf296970b774beea1c1ddb260f94c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a1ca658d649a4d8972e2e21ac2625b633217e327,b09198cf90ccf296970b774beea1c1ddb260f94c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a1ca658d649a4d8972e2e21ac2625b633217e327,4d00a39c676274f4071b467e630565ac1e3ae0f2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a1ca658d649a4d8972e2e21ac2625b633217e327,0241ea5fb0fe86d2a673163b2f5815111aadc7f7)"}}], "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": "7.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.11,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.1,7.3.0)"}}, {"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": "2026-09-04T19:30:04.993790+00:00", "updated": "2026-09-04T21:15:04.942027+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-362"]}