{"id":"CVE-2021-0929","details":"In ion_dma_buf_end_cpu_access and related functions of ion.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-187527909References: Upstream kernel","aliases":["A-187527909","ASB-A-187527909"],"modified":"2026-04-10T04:26:13.512701Z","published":"2021-12-15T19:15:11Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-11-01"}],"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"}]}