{ "id": "CVE-2021-45868", "sourceIdentifier": "cve@mitre.org", "published": "2022-03-18T07:15:06.597", "lastModified": "2024-11-21T06:33:10.797", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file." }, { "lang": "es", "value": "En el kernel de Linux versiones anteriores a 5.15.3, el archivo fs/quota/quota_tree.c no comprueba el n\u00famero de bloque en el \u00e1rbol de cuotas (en disco). Esto puede, por ejemplo, conllevar a un uso de memoria previamente liberada del archivo kernel/locking/rwsem.c si se presenta un archivo de cuotas corrupto" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "baseScore": 4.3, "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.3", "matchCriteriaId": "CEAFF076-B22B-4EC1-BBFE-58641EF7705F" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*", "matchCriteriaId": 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"Exploit", "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://www.openwall.com/lists/oss-security/2022/03/17/2", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Mailing List", "Patch", "Third Party Advisory" ] } ] }