{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31454", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.091Z", "datePublished": "2026-04-22T13:53:48.242Z", "dateUpdated": "2026-04-22T13:53:48.242Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-22T13:53:48.242Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: save ailp before dropping the AIL lock in push callbacks\n\nIn xfs_inode_item_push() and xfs_qm_dquot_logitem_push(), the AIL lock\nis dropped to perform buffer IO. Once the cluster buffer no longer\nprotects the log item from reclaim, the log item may be freed by\nbackground reclaim or the dquot shrinker. The subsequent spin_lock()\ncall dereferences lip->li_ailp, which is a use-after-free.\n\nFix this by saving the ailp pointer in a local variable while the AIL\nlock is held and the log item is guaranteed to be valid."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/xfs_dquot_item.c", "fs/xfs/xfs_inode_item.c"], "versions": [{"version": "90c60e16401248a4900f3f9387f563d0178dcf34", "lessThan": "edd1637d4e3911ab6c760f553f2040fe72f61a13", "status": "affected", "versionType": "git"}, {"version": "90c60e16401248a4900f3f9387f563d0178dcf34", "lessThan": "19437e4f7bb909afde832b39372aa2f3ce3cfd88", "status": "affected", "versionType": "git"}, {"version": "90c60e16401248a4900f3f9387f563d0178dcf34", "lessThan": "6dbe17f19c290a72ce57d5abc70e1fad0c3e14e5", "status": "affected", "versionType": "git"}, {"version": "90c60e16401248a4900f3f9387f563d0178dcf34", "lessThan": "75669e987137f49c99ca44406bf0200d1892dd16", "status": "affected", "versionType": "git"}, {"version": "90c60e16401248a4900f3f9387f563d0178dcf34", "lessThan": "d8fc60bbaf5aea1604bf9f4ed565da6a1ac7a87d", "status": "affected", "versionType": "git"}, {"version": "90c60e16401248a4900f3f9387f563d0178dcf34", "lessThan": "50f5f056807b7bed74f4f307f2ca0ed92f3e556d", "status": "affected", "versionType": "git"}, {"version": "90c60e16401248a4900f3f9387f563d0178dcf34", "lessThan": "4c7d50147316cf049462f327c4a3e9dc2b7f1dd0", "status": "affected", "versionType": "git"}, {"version": "90c60e16401248a4900f3f9387f563d0178dcf34", "lessThan": "394d70b86fae9fe865e7e6d9540b7696f73aa9b6", "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_dquot_item.c", "fs/xfs/xfs_inode_item.c"], "versions": [{"version": "5.9", "status": "affected"}, {"version": "0", "lessThan": "5.9", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.253", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.168", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.131", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.80", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.21", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.11", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.9", "versionEndExcluding": "5.10.253"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "5.15.203"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.1.168"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.6.131"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.12.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.18.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.19.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/edd1637d4e3911ab6c760f553f2040fe72f61a13"}, {"url": "https://git.kernel.org/stable/c/19437e4f7bb909afde832b39372aa2f3ce3cfd88"}, {"url": "https://git.kernel.org/stable/c/6dbe17f19c290a72ce57d5abc70e1fad0c3e14e5"}, {"url": "https://git.kernel.org/stable/c/75669e987137f49c99ca44406bf0200d1892dd16"}, {"url": "https://git.kernel.org/stable/c/d8fc60bbaf5aea1604bf9f4ed565da6a1ac7a87d"}, {"url": "https://git.kernel.org/stable/c/50f5f056807b7bed74f4f307f2ca0ed92f3e556d"}, {"url": "https://git.kernel.org/stable/c/4c7d50147316cf049462f327c4a3e9dc2b7f1dd0"}, {"url": "https://git.kernel.org/stable/c/394d70b86fae9fe865e7e6d9540b7696f73aa9b6"}], "title": "xfs: save ailp before dropping the AIL lock in push callbacks", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: save ailp before dropping the AIL lock in push callbacks\n\nIn xfs_inode_item_push() and xfs_qm_dquot_logitem_push(), the AIL lock\nis dropped to perform buffer IO. Once the cluster buffer no longer\nprotects the log item from reclaim, the log item may be freed by\nbackground reclaim or the dquot shrinker. The subsequent spin_lock()\ncall dereferences lip->li_ailp, which is a use-after-free.\n\nFix this by saving the ailp pointer in a local variable while the AIL\nlock is held and the log item is guaranteed to be valid."}], "id": "CVE-2026-31454", "lastModified": "2026-04-23T16:17:41.280", "metrics": {}, "published": "2026-04-22T14:16:39.823", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/19437e4f7bb909afde832b39372aa2f3ce3cfd88"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/394d70b86fae9fe865e7e6d9540b7696f73aa9b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4c7d50147316cf049462f327c4a3e9dc2b7f1dd0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/50f5f056807b7bed74f4f307f2ca0ed92f3e556d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6dbe17f19c290a72ce57d5abc70e1fad0c3e14e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75669e987137f49c99ca44406bf0200d1892dd16"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d8fc60bbaf5aea1604bf9f4ed565da6a1ac7a87d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/edd1637d4e3911ab6c760f553f2040fe72f61a13"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: xfs: save ailp before dropping the AIL lock in push callbacks", "id": "2460710", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460710"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-413", "details": ["A flaw was found in the Linux kernel's XFS file system. This vulnerability occurs when the system incorrectly handles memory, specifically when a critical lock, known as the Address Index List (AIL) lock, is released too early during certain operations. This premature release can cause a piece of memory to be freed while still in use, leading to a \"use-after-free\" condition. Such a condition can result in system crashes, instability, or potentially allow an attacker with local access to gain elevated privileges or disrupt system services."], "name": "CVE-2026-31454", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31454\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31454\nhttps://lore.kernel.org/linux-cve-announce/2026042249-CVE-2026-31454-ae01@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[90c60e16401248a4900f3f9387f563d0178dcf34,edd1637d4e3911ab6c760f553f2040fe72f61a13)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[90c60e16401248a4900f3f9387f563d0178dcf34,19437e4f7bb909afde832b39372aa2f3ce3cfd88)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[90c60e16401248a4900f3f9387f563d0178dcf34,6dbe17f19c290a72ce57d5abc70e1fad0c3e14e5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[90c60e16401248a4900f3f9387f563d0178dcf34,75669e987137f49c99ca44406bf0200d1892dd16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[90c60e16401248a4900f3f9387f563d0178dcf34,d8fc60bbaf5aea1604bf9f4ed565da6a1ac7a87d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[90c60e16401248a4900f3f9387f563d0178dcf34,50f5f056807b7bed74f4f307f2ca0ed92f3e556d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[90c60e16401248a4900f3f9387f563d0178dcf34,4c7d50147316cf049462f327c4a3e9dc2b7f1dd0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[90c60e16401248a4900f3f9387f563d0178dcf34,394d70b86fae9fe865e7e6d9540b7696f73aa9b6)"}}], "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": "semver", "value": "5.9"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.253,5.10.999]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.203,5.15.999]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.168,6.1.999]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.131,6.6.999]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.80,6.12.999]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.21,6.18.999]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.11,6.19.999]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "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": "2026-04-22T20:00:08.408959+00:00", "updated": "2026-04-22T20:00:08.409022+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}