{
  "id": "CVE-2023-20937",
  "sourceIdentifier": "security@android.com",
  "published": "2023-02-28T17:15:10.667",
  "lastModified": "2025-03-21T18:15:30.723",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In several functions of the Android Linux kernel, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-257443051References: Upstream kernel"
    }
  ],
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          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9
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          "userInteraction": "NONE",
          "scope": "UNCHANGED",
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  "weaknesses": [
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      "type": "Primary",
      "description": [
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          "value": "CWE-416"
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      "type": "Secondary",
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          "value": "CWE-416"
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          "negate": false,
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  "references": [
    {
      "url": "http://packetstormsecurity.com/files/171239/Android-GKI-Kernels-Contain-Broken-Non-Upstream-Speculative-Page-Faults-MM-Code.html",
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}