{
  "modified": "2025-08-09T19:01:28Z",
  "published": "2022-01-14T20:15:11Z",
  "id": "CVE-2021-39634",
  "details": "In fs/eventpoll.c, there is a possible 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-204450605References: Upstream kernel",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://source.android.com/security/bulletin/2022-01-01"
    },
    {
      "type": "FIX",
      "url": "https://source.android.com/security/bulletin/2022-01-01"
    }
  ]
}