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{"cisaActionDue": "2023-07-28", "cisaExploitAdd": "2023-07-07", "cisaRequiredAction": "Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.", "cisaVulnerabilityName": "Arm Mali GPU Kernel Driver Use-After-Free Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:arm:bifrost:*:*:*:*:*:*:*:*", "matchCriteriaId": "EB7B47A9-86B1-46B5-8F83-6409B6CD895C", "versionEndExcluding": "r30p0-01eac0", "versionStartIncluding": "r16p0-01eac0", "vulnerable": true}, {"criteria": "cpe:2.3:a:arm:midgard:*:*:*:*:*:*:*:*", "matchCriteriaId": "BB4EF1AF-F341-439F-A5BF-A4424D0E2F14", "versionEndIncluding": "r30p0-01eac0", "versionStartIncluding": "r28p0-01eac0", "vulnerable": true}, {"criteria": "cpe:2.3:a:arm:valhall:*:*:*:*:*:*:*:*", "matchCriteriaId": "31B6A9F2-3304-429C-9339-6C16A5834521", "versionEndExcluding": "r30p0-01eac0", "versionStartIncluding": "r19p0-01eac0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": ". The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0."}, {"lang": "es", "value": "El controlador del kernel de la GPU Arm Mali, permite a un usuario no privilegiado acceder a la memoria liberada, conllevando a una divulgaci\u00f3n de informaci\u00f3n o una escalada de privilegios de root. Esto afecta a Bifrost versiones r16p0 hasta r29p0 anteriores a r30p0, Valhall r19p0 hasta r29p0 anteriores a r30p0 y Midgard versiones r28p0 hasta r30p0"}], "id": "CVE-2021-29256", "lastModified": "2024-11-21T06:00:53.807", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "[email protected]", "type": "Primary"}]}, "published": "2021-05-24T18:15:08.033", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "[email protected]", "type": "Primary"}]}

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