{"api_version":"1","generated_at":"2026-04-22T16:29:12+00:00","cve":"CVE-2026-31453","urls":{"html":"https://cve.report/CVE-2026-31453","api":"https://cve.report/api/cve/CVE-2026-31453.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31453","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31453"},"summary":{"title":"xfs: avoid dereferencing log items after push callbacks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: avoid dereferencing log items after push callbacks\n\nAfter xfsaild_push_item() calls iop_push(), the log item may have been\nfreed if the AIL lock was dropped during the push. Background inode\nreclaim or the dquot shrinker can free the log item while the AIL lock\nis not held, and the tracepoints in the switch statement dereference\nthe log item after iop_push() returns.\n\nFix this by capturing the log item type, flags, and LSN before calling\nxfsaild_push_item(), and introducing a new xfs_ail_push_class trace\nevent class that takes these pre-captured values and the ailp pointer\ninstead of the log item pointer.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-22 14:16:39","updated_at":"2026-04-22 14:16:39"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/95fb5d643cc70959baa54cd17f52f80ffc3295e7","name":"https://git.kernel.org/stable/c/95fb5d643cc70959baa54cd17f52f80ffc3295e7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7121b22b0bac89394cc4c6a54b5aebc15347bdf5","name":"https://git.kernel.org/stable/c/7121b22b0bac89394cc4c6a54b5aebc15347bdf5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c4d603e8e58a3bf35480135ccca2b4f7238abda5","name":"https://git.kernel.org/stable/c/c4d603e8e58a3bf35480135ccca2b4f7238abda5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/79ef34ec0554ec04bdbafafbc9836423734e1bd6","name":"https://git.kernel.org/stable/c/79ef34ec0554ec04bdbafafbc9836423734e1bd6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/451c6329d9afa45862c36fe6677eb7750db60617","name":"https://git.kernel.org/stable/c/451c6329d9afa45862c36fe6677eb7750db60617","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c8a2ab339b88d10fc34a3318c92f07d8a467019d","name":"https://git.kernel.org/stable/c/c8a2ab339b88d10fc34a3318c92f07d8a467019d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31453","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31453","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 90c60e16401248a4900f3f9387f563d0178dcf34 c8a2ab339b88d10fc34a3318c92f07d8a467019d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 90c60e16401248a4900f3f9387f563d0178dcf34 7121b22b0bac89394cc4c6a54b5aebc15347bdf5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 90c60e16401248a4900f3f9387f563d0178dcf34 c4d603e8e58a3bf35480135ccca2b4f7238abda5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 90c60e16401248a4900f3f9387f563d0178dcf34 95fb5d643cc70959baa54cd17f52f80ffc3295e7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 90c60e16401248a4900f3f9387f563d0178dcf34 451c6329d9afa45862c36fe6677eb7750db60617 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 90c60e16401248a4900f3f9387f563d0178dcf34 79ef34ec0554ec04bdbafafbc9836423734e1bd6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.9","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.168 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.131 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.80 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.21 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.11 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/xfs/xfs_trace.h","fs/xfs/xfs_trans_ail.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c8a2ab339b88d10fc34a3318c92f07d8a467019d","status":"affected","version":"90c60e16401248a4900f3f9387f563d0178dcf34","versionType":"git"},{"lessThan":"7121b22b0bac89394cc4c6a54b5aebc15347bdf5","status":"affected","version":"90c60e16401248a4900f3f9387f563d0178dcf34","versionType":"git"},{"lessThan":"c4d603e8e58a3bf35480135ccca2b4f7238abda5","status":"affected","version":"90c60e16401248a4900f3f9387f563d0178dcf34","versionType":"git"},{"lessThan":"95fb5d643cc70959baa54cd17f52f80ffc3295e7","status":"affected","version":"90c60e16401248a4900f3f9387f563d0178dcf34","versionType":"git"},{"lessThan":"451c6329d9afa45862c36fe6677eb7750db60617","status":"affected","version":"90c60e16401248a4900f3f9387f563d0178dcf34","versionType":"git"},{"lessThan":"79ef34ec0554ec04bdbafafbc9836423734e1bd6","status":"affected","version":"90c60e16401248a4900f3f9387f563d0178dcf34","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/xfs/xfs_trace.h","fs/xfs/xfs_trans_ail.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.131","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.168","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.131","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.80","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.21","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.11","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: avoid dereferencing log items after push callbacks\n\nAfter xfsaild_push_item() calls iop_push(), the log item may have been\nfreed if the AIL lock was dropped during the push. Background inode\nreclaim or the dquot shrinker can free the log item while the AIL lock\nis not held, and the tracepoints in the switch statement dereference\nthe log item after iop_push() returns.\n\nFix this by capturing the log item type, flags, and LSN before calling\nxfsaild_push_item(), and introducing a new xfs_ail_push_class trace\nevent class that takes these pre-captured values and the ailp pointer\ninstead of the log item pointer."}],"providerMetadata":{"dateUpdated":"2026-04-22T13:53:47.577Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c8a2ab339b88d10fc34a3318c92f07d8a467019d"},{"url":"https://git.kernel.org/stable/c/7121b22b0bac89394cc4c6a54b5aebc15347bdf5"},{"url":"https://git.kernel.org/stable/c/c4d603e8e58a3bf35480135ccca2b4f7238abda5"},{"url":"https://git.kernel.org/stable/c/95fb5d643cc70959baa54cd17f52f80ffc3295e7"},{"url":"https://git.kernel.org/stable/c/451c6329d9afa45862c36fe6677eb7750db60617"},{"url":"https://git.kernel.org/stable/c/79ef34ec0554ec04bdbafafbc9836423734e1bd6"}],"title":"xfs: avoid dereferencing log items after push callbacks","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31453","datePublished":"2026-04-22T13:53:47.577Z","dateReserved":"2026-03-09T15:48:24.091Z","dateUpdated":"2026-04-22T13:53:47.577Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-22 14:16:39","lastModifiedDate":"2026-04-22 14:16:39","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31453","Ordinal":"1","Title":"xfs: avoid dereferencing log items after push callbacks","CVE":"CVE-2026-31453","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31453","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: avoid dereferencing log items after push callbacks\n\nAfter xfsaild_push_item() calls iop_push(), the log item may have been\nfreed if the AIL lock was dropped during the push. Background inode\nreclaim or the dquot shrinker can free the log item while the AIL lock\nis not held, and the tracepoints in the switch statement dereference\nthe log item after iop_push() returns.\n\nFix this by capturing the log item type, flags, and LSN before calling\nxfsaild_push_item(), and introducing a new xfs_ail_push_class trace\nevent class that takes these pre-captured values and the ailp pointer\ninstead of the log item pointer.","Type":"Description","Title":"xfs: avoid dereferencing log items after push callbacks"}]}}}