CVE-2021-39656

MediumCVSS 6.7/10Last 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

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416 CWE-667

Affected software

No affected versions have been published.

Timeline

Published: Dec 15, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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