CVE-2022-20571

MEDIUM

Android Kernel - Use-After-Free in dm-android-verity.c extract_metadata

Title source: llm
STIX 2.1

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

References (1)

Core 1
Core References

Scores

CVSS v3 6.7
EPSS 0.0017
EPSS Percentile 7.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (1)
google/android
Published Dec 16, 2022
Tracked Since Feb 18, 2026