CVE-2022-46891

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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:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:*", "matchCriteriaId": "48F069A5-6E3A-4E30-A69A-CCA50D66E8B0", "versionEndIncluding": "r40p0", "versionStartIncluding": "r1p0", "vulnerable": true}, {"criteria": "cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:*", "matchCriteriaId": "48B2F411-CC76-4D35-98DB-1CC997C36F84", "versionEndIncluding": "r32p0", "versionStartIncluding": "r13p0", "vulnerable": true}, {"criteria": "cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:*", "matchCriteriaId": "E6BB9E6B-1620-486F-98C5-397292AA1EB4", "versionEndIncluding": "r40p0", "versionStartIncluding": "r19p0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en el controlador del kernel de GPU Arm Mali. Hay un use-after-free. Un usuario sin privilegios puede realizar operaciones de procesamiento de GPU incorrectas para obtener acceso a la memoria ya liberada. Esto afecta a Midgard r13p0 a r32p0, Bifrost r1p0 a r40p0 y Valhall r19p0 a r40p0."}], "id": "CVE-2022-46891", "lastModified": "2026-06-17T05:12:38.367", "metrics": {"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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-46891", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2023-12-20T17:32:35.513596Z", "version": "2.0.3"}}]}, "published": "2023-01-17T08:15:10.453", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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