{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89497", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.714Z", "datePublished": "2026-09-11T19:43:47.439Z", "dateUpdated": "2026-09-11T19:43:47.439Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:43:47.439Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\norangefs: skip leading spaces before parsing client debug masks\n\norangefs_prepare_cdm_array() sizes each client debug keyword buffer\nwith strcspn(cds_head, \" \"), but then parses the keyword with %s. The\n%s conversion skips leading whitespace, while strcspn() does not.\n\nIf a client debug entry starts with a space, the allocation can be sized\nfor an empty keyword while sscanf() copies the following non-empty token.\nThis can write past the end of the allocated keyword buffer.\n\nSkip leading spaces before computing the keyword length so the allocation\nmatches the string parsed by sscanf()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/orangefs/orangefs-debugfs.c"], "versions": [{"version": "f7be4ee07fb72a516563bc2870ef41fa589a964a", "lessThan": "15d79c806231e62a7b746d3b42626810004e1b27", "status": "affected", "versionType": "git"}, {"version": "f7be4ee07fb72a516563bc2870ef41fa589a964a", "lessThan": "116d14f29a0524853c9316f32a2ac06cff5d4bf6", "status": "affected", "versionType": "git"}, {"version": "f7be4ee07fb72a516563bc2870ef41fa589a964a", "lessThan": "1774c5b3713add32fe15ab0d3db4b73355f94e35", "status": "affected", "versionType": "git"}, {"version": "f7be4ee07fb72a516563bc2870ef41fa589a964a", "lessThan": "d410cd5303ec59c7cf23dd61423752ce8e9ecb59", "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/orangefs/orangefs-debugfs.c"], "versions": [{"version": "4.6", "status": "affected"}, {"version": "0", "lessThan": "4.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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": "4.6", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/15d79c806231e62a7b746d3b42626810004e1b27"}, {"url": "https://git.kernel.org/stable/c/116d14f29a0524853c9316f32a2ac06cff5d4bf6"}, {"url": "https://git.kernel.org/stable/c/1774c5b3713add32fe15ab0d3db4b73355f94e35"}, {"url": "https://git.kernel.org/stable/c/d410cd5303ec59c7cf23dd61423752ce8e9ecb59"}], "title": "orangefs: skip leading spaces before parsing client debug masks", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/orangefs/orangefs-debugfs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "15d79c806231e62a7b746d3b42626810004e1b27", "status": "affected", "version": "f7be4ee07fb72a516563bc2870ef41fa589a964a", "versionType": "git"}, {"lessThan": "116d14f29a0524853c9316f32a2ac06cff5d4bf6", "status": "affected", "version": "f7be4ee07fb72a516563bc2870ef41fa589a964a", "versionType": "git"}, {"lessThan": "1774c5b3713add32fe15ab0d3db4b73355f94e35", "status": "affected", "version": "f7be4ee07fb72a516563bc2870ef41fa589a964a", "versionType": "git"}, {"lessThan": "d410cd5303ec59c7cf23dd61423752ce8e9ecb59", "status": "affected", "version": "f7be4ee07fb72a516563bc2870ef41fa589a964a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/orangefs/orangefs-debugfs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.6"}, {"lessThan": "4.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "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\norangefs: skip leading spaces before parsing client debug masks\n\norangefs_prepare_cdm_array() sizes each client debug keyword buffer\nwith strcspn(cds_head, \" \"), but then parses the keyword with %s. The\n%s conversion skips leading whitespace, while strcspn() does not.\n\nIf a client debug entry starts with a space, the allocation can be sized\nfor an empty keyword while sscanf() copies the following non-empty token.\nThis can write past the end of the allocated keyword buffer.\n\nSkip leading spaces before computing the keyword length so the allocation\nmatches the string parsed by sscanf()."}], "id": "CVE-2026-89497", "lastModified": "2026-09-11T20:19:31.820", "metrics": {}, "published": "2026-09-11T20:19:31.820", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/116d14f29a0524853c9316f32a2ac06cff5d4bf6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/15d79c806231e62a7b746d3b42626810004e1b27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1774c5b3713add32fe15ab0d3db4b73355f94e35"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d410cd5303ec59c7cf23dd61423752ce8e9ecb59"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: OrangeFS client debug masks parsing leads to buffer overflow", "id": "2532023", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532023"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.6", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-120", "details": ["A flaw was found in the Linux kernel's Orange File System (orangefs) client. The `orangefs_prepare_cdm_array()` function incorrectly calculates the buffer size for client debug keywords when an entry starts with a space. This can lead to a buffer overflow, allowing data to be written beyond the intended memory boundary. Such memory corruption could potentially result in a denial of service or other unspecified impacts."], "name": "CVE-2026-89497", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "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": "2026-09-11T19:43:47Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89497\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89497\nhttps://git.kernel.org/stable/c/116d14f29a0524853c9316f32a2ac06cff5d4bf6\nhttps://git.kernel.org/stable/c/15d79c806231e62a7b746d3b42626810004e1b27\nhttps://git.kernel.org/stable/c/1774c5b3713add32fe15ab0d3db4b73355f94e35\nhttps://git.kernel.org/stable/c/d410cd5303ec59c7cf23dd61423752ce8e9ecb59"], "threat_severity": "Moderate"}

{"created": "2026-09-12T10:00:08.637807+00:00", "updated": "2026-09-12T10:00:08.637813+00:00", "vendors": []}