CVE-2021-25470: Google Android

High severity, CVSS 7.9. EPSS: 0.1% chance of exploitation in the next 30 days.

An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE.

Affected products

• Google Android: version 9.0 only; version 10.0 only; version 11.0 only

Published 2021-10-06. Last modified 2026-06-17.