CVE-2026-97543

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97543", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T16:01:01.154Z", "datePublished": "2026-09-25T10:21:39.249Z", "dateUpdated": "2026-10-19T09:09:05.396Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:09:05.396Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: destroy seen inode bitmap when we fail to add a dirpath\n\nLOLLM observes a memory leak in xchk_dirtree_create_path if we create\nthe directory path object but appending the name to the path fails.\nWhen this happens, we don't tear down the (empty) seen inode bitmap.\nThis is a pretty trivial error, but let's not leave logic bombs.\n\nDo the same for a similar bug in xrep_dirtree_create_adoption_path."}], "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.c", "fs/xfs/scrub/dirtree_repair.c"], "versions": [{"version": "928b721a11789a9363d6d7c32a1f3166a79f3b5f", "lessThan": "3b10ca4302ee2dda4233f70b2033883ee376fa6a", "status": "affected", "versionType": "git"}, {"version": "928b721a11789a9363d6d7c32a1f3166a79f3b5f", "lessThan": "0b756de8167f2f06ffceadc71cb17c1fc7be4be8", "status": "affected", "versionType": "git"}, {"version": "928b721a11789a9363d6d7c32a1f3166a79f3b5f", "lessThan": "582f54dce62043f7a0503ab8c76d718d0293da59", "status": "affected", "versionType": "git"}, {"version": "928b721a11789a9363d6d7c32a1f3166a79f3b5f", "lessThan": "1a441c6842da75c5b862cc1c9f7969d6a93b54b9", "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.c", "fs/xfs/scrub/dirtree_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/3b10ca4302ee2dda4233f70b2033883ee376fa6a"}, {"url": "https://git.kernel.org/stable/c/0b756de8167f2f06ffceadc71cb17c1fc7be4be8"}, {"url": "https://git.kernel.org/stable/c/582f54dce62043f7a0503ab8c76d718d0293da59"}, {"url": "https://git.kernel.org/stable/c/1a441c6842da75c5b862cc1c9f7969d6a93b54b9"}], "title": "xfs: destroy seen inode bitmap when we fail to add a dirpath", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/xfs/scrub/dirtree.c", "fs/xfs/scrub/dirtree_repair.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3b10ca4302ee2dda4233f70b2033883ee376fa6a", "status": "affected", "version": "928b721a11789a9363d6d7c32a1f3166a79f3b5f", "versionType": "git"}, {"lessThan": "0b756de8167f2f06ffceadc71cb17c1fc7be4be8", "status": "affected", "version": "928b721a11789a9363d6d7c32a1f3166a79f3b5f", "versionType": "git"}, {"lessThan": "582f54dce62043f7a0503ab8c76d718d0293da59", "status": "affected", "version": "928b721a11789a9363d6d7c32a1f3166a79f3b5f", "versionType": "git"}, {"lessThan": "1a441c6842da75c5b862cc1c9f7969d6a93b54b9", "status": "affected", "version": "928b721a11789a9363d6d7c32a1f3166a79f3b5f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/xfs/scrub/dirtree.c", "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": "6.12.111", "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: destroy seen inode bitmap when we fail to add a dirpath\n\nLOLLM observes a memory leak in xchk_dirtree_create_path if we create\nthe directory path object but appending the name to the path fails.\nWhen this happens, we don't tear down the (empty) seen inode bitmap.\nThis is a pretty trivial error, but let's not leave logic bombs.\n\nDo the same for a similar bug in xrep_dirtree_create_adoption_path."}], "id": "CVE-2026-97543", "lastModified": "2026-10-19T10:17:23.347", "metrics": {}, "published": "2026-09-25T11:17:04.643", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0b756de8167f2f06ffceadc71cb17c1fc7be4be8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a441c6842da75c5b862cc1c9f7969d6a93b54b9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b10ca4302ee2dda4233f70b2033883ee376fa6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/582f54dce62043f7a0503ab8c76d718d0293da59"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: xfs: destroy seen inode bitmap when we fail to add a dirpath", "id": "2541068", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541068"}, "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-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nxfs: destroy seen inode bitmap when we fail to add a dirpath\nLOLLM observes a memory leak in xchk_dirtree_create_path if we create\nthe directory path object but appending the name to the path fails.\nWhen this happens, we don't tear down the (empty) seen inode bitmap.\nThis is a pretty trivial error, but let's not leave logic bombs.\nDo the same for a similar bug in xrep_dirtree_create_adoption_path.", "A flaw was found in the Linux kernel's XFS file system. A local user could cause a Denial of Service (DoS) due to a memory leak in the directory tree scrub and repair mechanisms. When an error occurs while appending a directory name to a path, the kernel fails to release previously allocated inode tracking data. Repeated occurrences can lead to kernel memory exhaustion and degrade overall system availability."], "name": "CVE-2026-97543", "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-2026-97543\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97543\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97543.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[928b721a11789a9363d6d7c32a1f3166a79f3b5f,3b10ca4302ee2dda4233f70b2033883ee376fa6a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[928b721a11789a9363d6d7c32a1f3166a79f3b5f,0b756de8167f2f06ffceadc71cb17c1fc7be4be8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[928b721a11789a9363d6d7c32a1f3166a79f3b5f,582f54dce62043f7a0503ab8c76d718d0293da59)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[928b721a11789a9363d6d7c32a1f3166a79f3b5f,1a441c6842da75c5b862cc1c9f7969d6a93b54b9)"}}], "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": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "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": "2026-09-25T16:15:15.788688+00:00", "updated": "2026-10-01T13:45:06.660080+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}