{"id":"CVE-2022-20421","details":"In binder_inc_ref_for_node of binder.c, 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-239630375References: Upstream kernel","aliases":["A-239630375","ASB-A-239630375"],"modified":"2026-04-16T04:42:20.623934659Z","published":"2022-10-11T20:15:12.533Z","references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5257"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"},{"type":"FIX","url":"https://source.android.com/security/bulletin/2022-10-01"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-20421.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}