CVE-2021-39656

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CVSS 3.1

6.7 medium

EPSS

<1%p2

Published

Dec 15, 2021 (Dec 15, 2021)

Modified

Jun 17, 2026

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

Vendors: google
Products: android
Weakness: CWE-416, CWE-667
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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