{"id":"CVE-2021-39714","details":"In ion_buffer_kmap_get of ion.c, there is a possible use-after-free due to an integer overflow. 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-205573273References: Upstream kernel","aliases":["A-205573273","PUB-A-205573273"],"modified":"2026-04-10T04:37:24.910679Z","published":"2022-03-16T15:15:11Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/pixel/2022-08-01"},{"type":"FIX","url":"https://source.android.com/security/bulletin/pixel/2022-08-01"}],"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"}]}