CVE-2026-80535

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80535", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.764Z", "datePublished": "2026-08-26T14:37:10.985Z", "dateUpdated": "2026-08-26T14:37:10.985Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-26T14:37:10.985Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't double-lock when deleting a self-referential directory\n\nLOLLM notices that the dirtree scrubber can detect a directory that\nrefers to itself. In this case, it's not correct for the directory tree\nrepair code to try to iolock/ilock both sc->ip and dp, because they're\nthe same inode. Fix this by detecting that corner case and handling it\nappropriately."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/scrub/dirtree_repair.c"], "versions": [{"version": "3f31406aef493b3f19020909d29974e28253f91c", "lessThan": "17bc347cbdfb125eddac0a815b1f6c1f6eb56676", "status": "affected", "versionType": "git"}, {"version": "3f31406aef493b3f19020909d29974e28253f91c", "lessThan": "ce2a7006ec5ed88db1b1669124ec85bc1714ccaa", "status": "affected", "versionType": "git"}, {"version": "3f31406aef493b3f19020909d29974e28253f91c", "lessThan": "c575904471570e69bce40fa638365c6c0403e2ff", "status": "affected", "versionType": "git"}, {"version": "3f31406aef493b3f19020909d29974e28253f91c", "lessThan": "5fc643fb86599e29b38e7b2c2680b4b15bf8f772", "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/scrub/dirtree_repair.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.105", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.46", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.10", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.10", "versionEndExcluding": "6.12.105"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.1.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/17bc347cbdfb125eddac0a815b1f6c1f6eb56676"}, {"url": "https://git.kernel.org/stable/c/ce2a7006ec5ed88db1b1669124ec85bc1714ccaa"}, {"url": "https://git.kernel.org/stable/c/c575904471570e69bce40fa638365c6c0403e2ff"}, {"url": "https://git.kernel.org/stable/c/5fc643fb86599e29b38e7b2c2680b4b15bf8f772"}], "title": "xfs: don't double-lock when deleting a self-referential directory", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/xfs/scrub/dirtree_repair.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "17bc347cbdfb125eddac0a815b1f6c1f6eb56676", "status": "affected", "version": "3f31406aef493b3f19020909d29974e28253f91c", "versionType": "git"}, {"lessThan": "ce2a7006ec5ed88db1b1669124ec85bc1714ccaa", "status": "affected", "version": "3f31406aef493b3f19020909d29974e28253f91c", "versionType": "git"}, {"lessThan": "c575904471570e69bce40fa638365c6c0403e2ff", "status": "affected", "version": "3f31406aef493b3f19020909d29974e28253f91c", "versionType": "git"}, {"lessThan": "5fc643fb86599e29b38e7b2c2680b4b15bf8f772", "status": "affected", "version": "3f31406aef493b3f19020909d29974e28253f91c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/xfs/scrub/dirtree_repair.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"lessThan": "6.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.105", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.46", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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: don't double-lock when deleting a self-referential directory\n\nLOLLM notices that the dirtree scrubber can detect a directory that\nrefers to itself. In this case, it's not correct for the directory tree\nrepair code to try to iolock/ilock both sc->ip and dp, because they're\nthe same inode. Fix this by detecting that corner case and handling it\nappropriately."}], "id": "CVE-2026-80535", "lastModified": "2026-08-26T15:17:07.663", "metrics": {}, "published": "2026-08-26T15:17:07.663", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/17bc347cbdfb125eddac0a815b1f6c1f6eb56676"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5fc643fb86599e29b38e7b2c2680b4b15bf8f772"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c575904471570e69bce40fa638365c6c0403e2ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ce2a7006ec5ed88db1b1669124ec85bc1714ccaa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: xfs: don't double-lock when deleting a self-referential directory", "id": "2524467", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524467"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-764", "details": ["A flaw was found in the Linux kernel's XFS filesystem. When a local user or process attempts to delete a directory that refers to itself, the directory tree repair code incorrectly tries to acquire a lock on the same inode twice. This double-locking issue can lead to system instability or unexpected behavior, potentially resulting in a denial of service (DoS)."], "name": "CVE-2026-80535", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80535\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80535\nhttps://lore.kernel.org/linux-cve-announce/2026082604-CVE-2026-80535-abd7@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f31406aef493b3f19020909d29974e28253f91c,17bc347cbdfb125eddac0a815b1f6c1f6eb56676)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f31406aef493b3f19020909d29974e28253f91c,ce2a7006ec5ed88db1b1669124ec85bc1714ccaa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f31406aef493b3f19020909d29974e28253f91c,c575904471570e69bce40fa638365c6c0403e2ff)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f31406aef493b3f19020909d29974e28253f91c,5fc643fb86599e29b38e7b2c2680b4b15bf8f772)"}}], "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": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.105,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.46,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.10,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-26T16:45:08.201973+00:00", "updated": "2026-08-27T03:30:14.798409+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}