CVE-2022-20421: Debian Linux

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory 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-239630375References: Upstream kernel

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Google Android: affected versions not specified

Published 2022-10-11. Last modified 2026-06-17.