CVE-2023-21163: Google Android

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In PMR_ReadBytes of pmr.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

• Google Android: affected versions not specified

Published 2023-12-04. Last modified 2026-06-17.