VULNERABILITY INTELLIGENCE

CVE-2021-39656

CVSS score6.7 MEDIUM

EPSS probability0.12%

CISA KEVNot currently listed

Published2021-12-15

Last modified2026-06-17

Description

In __configfs_open_file of file.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-174049066References: Upstream kernel