{"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","aliases":["A-204450605","ASB-A-204450605"],"modified":"2026-01-27T04:17:53.619111Z","published":"2022-01-14T20:15:11Z","withdrawn":"2026-01-27T04:17:53.619111Z","references":[{"type":"FIX","url":"https://source.android.com/security/bulletin/2022-01-01"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}