{
  "id": "CVE-2020-0423",
  "sourceIdentifier": "security@android.com",
  "published": "2020-10-14T14:15:17.280",
  "lastModified": "2022-04-28T18:23:51.220",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A"
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n binder_release_work del archivo binder.c, presenta una posibilidad de un uso de la memoria previamente liberada debido a un bloqueo inapropiado. Esto podr\u00eda conllevar a una escalada de privilegios local en el kernel sin ser necesarios privilegios de ejecuci\u00f3n adicionales. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android,  Versiones: kernel de Android, ID de Android: A-161151868, Referencias: N/A"
    }
  ],
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        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9
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          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
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          "baseScore": 7.2
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "value": "CWE-416"
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  "references": [
    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html",
      "source": "security@android.com",
      "tags": [
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}