CVE-2022-20572

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-16 · updated 2026-10-14
Weakness: CWE-862

Description

In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. 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-234475629References: 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
https://cert-portal.siemens.com/productcert/html/ssa-794697.html

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