CVE-2021-31795

{"id": "CVE-2021-31795", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "published": "2021-04-24T18:15:07.683", "references": [{"url": "https://mcyoloswagham.github.io/linux/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "The PowerVR GPU kernel driver in pvrsrvkm.ko through 2021-04-24 for the Linux kernel, as used on Alcatel 1S phones, allows attackers to overwrite heap memory via PhysmemNewRamBackedPMR."}, {"lang": "es", "value": "El controlador del kernel del PowerVR GPU en pvrsrvkm.ko hasta el 24-04-2021 para el kernel de Linux, como es usado en los tel\u00e9fonos Alcatel 1S, permite a atacantes sobrescribir la memoria de la pila por medio de la funci\u00f3n PhysmemNewRamBackedPMR"}], "lastModified": "2021-05-06T18:45:09.510", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:pvrsrvkm.ko_project:pvrsrvkm.ko:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF270D00-2267-4711-BD5A-9ED4D8167479", "versionEndIncluding": "2021-04-24"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}