CVE-2022-20571

State: Published
Severity: 6.7 Medium
Published: Dec 16, 2022
Updated: Apr 18, 2025
Reserved: Oct 14, 2021

Description

In extract_metadata of dm-android-verity.c, there is a possible way to corrupt kernel memory due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-234030265References: Upstream kernel

Scores

CVSS	Score	Vector	Source
3.1	6.7 Medium	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Androidn/a	Android kernelAffected

References

https://source.android.com/security/bulletin/pixel/2022-12-01

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