{ "id": "CVE-2021-46894", "sourceIdentifier": "psirt@huawei.com", "published": "2023-07-06T13:15:09.967", "lastModified": "2023-07-12T19:04:53.070", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] }, { "source": "psirt@huawei.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-269" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "A974CA73-84E8-480B-BB4C-4A81D0C985B2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:2.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "20112231-B840-44D3-A061-B9B9F80EE378" } ] } ] } ], "references": [ { "url": "https://consumer.huawei.com/en/support/bulletin/2023/7/", "source": "psirt@huawei.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858", "source": "psirt@huawei.com", "tags": [ "Vendor Advisory" ] } ] }