{"id":"CVE-2021-1048","aliases":["A-204573007","ASB-A-204573007"],"url":"https://o3.security/vulnerability/CVE-2021-1048","summary":null,"details":"In ep_loop_check_proc of eventpoll.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-204573007References: Upstream kernel","published":"2021-12-15T19:15:14Z","modified":"2026-04-10T04:28:59.213460Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01039,"percentile":0.61742,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-11-01"},{"type":"FIX","url":"https://source.android.com/security/bulletin/2021-11-01"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T04:28:59.213460Z"}}