CVE-2022-20571

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-16 · updated 2026-06-17
Weakness: CWE-416

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

Affected products

Android: all versions

References

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

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