CVE-2021-39698: Google Android

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In aio_poll_complete_work of aio.c, there is a possible memory corruption 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-185125206References: Upstream kernel

Affected products

• Google Android: affected versions not specified

Published 2022-03-16. Last modified 2026-06-17.