CVE-2026-97546

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97546", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T16:01:01.154Z", "datePublished": "2026-09-25T10:21:41.029Z", "dateUpdated": "2026-10-19T09:09:09.393Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:09:09.393Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't spin forever on zero-length dirents when salvaging them\n\nLOLLM noticed that xrep_dir_recover_data can spin forever if it\nencounters an unused dirent that claims to have length zero. Fix that,\nand prevent the same thing from happening with a zero-length entry."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/scrub/dir_repair.c"], "versions": [{"version": "b1991ee3e7cf852e95a3498801303cfbb4468681", "lessThan": "5442f0c56445618544a801fb4dae35aed87a1aaa", "status": "affected", "versionType": "git"}, {"version": "b1991ee3e7cf852e95a3498801303cfbb4468681", "lessThan": "08754ebfa5c28e8d57316b1bd7a5a921a5e2e762", "status": "affected", "versionType": "git"}, {"version": "b1991ee3e7cf852e95a3498801303cfbb4468681", "lessThan": "a455c83ce5dc1a2da33b1b84253d298372a8dfbd", "status": "affected", "versionType": "git"}, {"version": "b1991ee3e7cf852e95a3498801303cfbb4468681", "lessThan": "9f84792b40d0c96833341602144574bf0bd14a6a", "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/dir_repair.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "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": "6.10", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5442f0c56445618544a801fb4dae35aed87a1aaa"}, {"url": "https://git.kernel.org/stable/c/08754ebfa5c28e8d57316b1bd7a5a921a5e2e762"}, {"url": "https://git.kernel.org/stable/c/a455c83ce5dc1a2da33b1b84253d298372a8dfbd"}, {"url": "https://git.kernel.org/stable/c/9f84792b40d0c96833341602144574bf0bd14a6a"}], "title": "xfs: don't spin forever on zero-length dirents when salvaging them", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/xfs/scrub/dir_repair.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5442f0c56445618544a801fb4dae35aed87a1aaa", "status": "affected", "version": "b1991ee3e7cf852e95a3498801303cfbb4468681", "versionType": "git"}, {"lessThan": "08754ebfa5c28e8d57316b1bd7a5a921a5e2e762", "status": "affected", "version": "b1991ee3e7cf852e95a3498801303cfbb4468681", "versionType": "git"}, {"lessThan": "a455c83ce5dc1a2da33b1b84253d298372a8dfbd", "status": "affected", "version": "b1991ee3e7cf852e95a3498801303cfbb4468681", "versionType": "git"}, {"lessThan": "9f84792b40d0c96833341602144574bf0bd14a6a", "status": "affected", "version": "b1991ee3e7cf852e95a3498801303cfbb4468681", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/xfs/scrub/dir_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": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "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: don't spin forever on zero-length dirents when salvaging them\n\nLOLLM noticed that xrep_dir_recover_data can spin forever if it\nencounters an unused dirent that claims to have length zero. Fix that,\nand prevent the same thing from happening with a zero-length entry."}], "id": "CVE-2026-97546", "lastModified": "2026-10-19T10:17:23.610", "metrics": {}, "published": "2026-09-25T11:17:04.963", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/08754ebfa5c28e8d57316b1bd7a5a921a5e2e762"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5442f0c56445618544a801fb4dae35aed87a1aaa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9f84792b40d0c96833341602144574bf0bd14a6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a455c83ce5dc1a2da33b1b84253d298372a8dfbd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: xfs: don't spin forever on zero-length dirents when salvaging them", "id": "2541233", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541233"}, "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-835", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nxfs: don't spin forever on zero-length dirents when salvaging them\nLOLLM noticed that xrep_dir_recover_data can spin forever if it\nencounters an unused dirent that claims to have length zero. Fix that,\nand prevent the same thing from happening with a zero-length entry.", "A flaw was found in the Linux kernel's XFS file system. A local user could trigger this vulnerability by mounting or repairing a corrupted file system containing zero-length directory entries. When salvaging these malformed entries during directory repair operations, the kernel fails to advance and enters an infinite loop, leading to a Denial of Service (DoS)."], "name": "CVE-2026-97546", "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": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97546\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97546\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97546.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b1991ee3e7cf852e95a3498801303cfbb4468681,5442f0c56445618544a801fb4dae35aed87a1aaa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b1991ee3e7cf852e95a3498801303cfbb4468681,08754ebfa5c28e8d57316b1bd7a5a921a5e2e762)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b1991ee3e7cf852e95a3498801303cfbb4468681,a455c83ce5dc1a2da33b1b84253d298372a8dfbd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b1991ee3e7cf852e95a3498801303cfbb4468681,9f84792b40d0c96833341602144574bf0bd14a6a)"}}], "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": "generic", "value": "[6.12.111,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.53,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.7,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc3,*]"}}], "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": "2026-09-25T16:15:15.788121+00:00", "updated": "2026-10-01T10:15:06.449974+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}