CVE-2021-39639: Google Android

Medium severity, CVSS 6.8. EPSS: 0.1% chance of exploitation in the next 30 days.

In TBD of fvp.c, there is a possible way to glitch CPU behavior due to a missing permission check. This could lead to local escalation of privilege with physical access to device internals with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-198291476References: N/A

Affected products

• Google Android: affected versions not specified

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