CVE-2021-39649: Google Android

Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days.

In regmap_exit of regmap.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174049006References: N/A

Affected products

• Google Android: affected versions not specified

Published 2021-12-15. Last modified 2026-06-17.