{"id":"CVE-2023-20928","details":"In binder_vma_close of binder.c, there is a possible use after free due to improper locking. 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-254837884References: Upstream kernel","aliases":["A-254837884","ASB-A-254837884"],"modified":"2026-01-27T04:18:46.956371Z","published":"2023-01-26T21:18:11Z","withdrawn":"2026-01-27T04:18:46.956371Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-01-01"},{"type":"WEB","url":"http://packetstormsecurity.com/files/170855/Android-Binder-VMA-Management-Security-Issues.html"}],"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"}]}