CVE-2022-20572

kernel: missing DM_TARGET_IMMUTABLE feature flag in verity_target in drivers/md/dm-verity-target.c

Published Dec 16, 2022 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2022-25832 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
Ubuntu USN Ubuntu USN USN-6001-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6013-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6014-1 Linux kernel vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Oct 14, 2026, 3:02 PM
Reserved
Oct 14, 2021, 12:00 AM
Status
Modified
Published
Dec 16, 2022, 4:15 PM
Modified
Oct 14, 2026, 4:17 PM
Severity
Moderate
Public date
Dec 5, 2022, 12:00 AM