CVE-2023-21402

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-21402", "assignerOrgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "state": "PUBLISHED", "assignerShortName": "google_android", "dateReserved": "2022-11-03T22:37:50.667Z", "datePublished": "2023-12-04T22:40:49.339Z", "dateUpdated": "2024-08-02T09:36:34.325Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "shortName": "google_android", "dateUpdated": "2023-12-22T00:16:42.502Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "Elevation of privilege"}]}], "affected": [{"vendor": "Google", "product": "Android", "versions": [{"version": "Android SoC", "status": "affected"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In MMU_UnmapPages of mmu_common.c, there is a possible out of bounds read due to improper input validation. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation."}], "references": [{"url": "https://source.android.com/security/bulletin/2023-12-01"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T09:36:34.325Z"}, "title": "CVE Program Container", "references": [{"url": "https://source.android.com/security/bulletin/2023-12-01", "tags": ["x_transferred"]}]}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Android", "vendor": "Google", "versions": [{"status": "affected", "version": "Android SoC"}]}], "source": "security@android.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In MMU_UnmapPages of mmu_common.c, there is a possible out of bounds read due to improper input validation. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation."}, {"lang": "es", "value": "Hay elevaci\u00f3n de privilegios."}], "id": "CVE-2023-21402", "lastModified": "2026-06-17T05:32:31.050", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-12-04T23:15:23.027", "references": [{"source": "security@android.com", "tags": ["Vendor Advisory"], "url": "https://source.android.com/security/bulletin/2023-12-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://source.android.com/security/bulletin/2023-12-01"}], "sourceIdentifier": "security@android.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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