CVE-2019-20429

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:*", "matchCriteriaId": "172579FA-E7BC-4490-BA7D-1B5737B84154", "versionEndExcluding": "2.12.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic (via a modified lm_bufcount field) due to the lack of validation for specific fields of packets sent by a client. This is caused by interaction between sptlrpc_svc_unwrap_request and lustre_msg_hdr_size_v2."}, {"lang": "es", "value": "En el sistema de archivos de Luster versiones anteriores versiones hasta 2.12.3, el m\u00f3dulo ptlrpc presenta una lectura fuera de l\u00edmites y un p\u00e1nico (por medio de un campo lm_bufcount modificado) debido a la falta de comprobaci\u00f3n para campos de paquetes espec\u00edficos enviados mediante un cliente. Esto es causado por la interacci\u00f3n entre las funciones sptlrpc_svc_unwrap_request y lustre_msg_hdr_size_v2."}], "id": "CVE-2019-20429", "lastModified": "2026-06-17T02:30:25.187", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-01-27T05:15:12.343", "references": [{"source": "cve@mitre.org", "tags": ["Product", "Vendor Advisory"], "url": "http://lustre.org/"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://jira.whamcloud.com/browse/LU-12590"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://review.whamcloud.com/#/c/36119/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Vendor Advisory"], "url": "http://lustre.org/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://jira.whamcloud.com/browse/LU-12590"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://review.whamcloud.com/#/c/36119/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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