PT-2022-14779 · Google · Android Kernel

Published 2022-12-16 · Updated 2022-12-21 · CVE-2022-20571

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Android kernel versions (affected versions not specified)

Description The issue is related to a use after free in the extract metadata function of dm-android-verity.c, which could lead to corruption of kernel memory. This might result in local escalation of privilege, requiring System execution privileges. No user interaction is needed for exploitation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2022-20571

Affected Products

Android Kernel

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2022-20571 · Security Note
• https://source.android.com/security/bulletin/pixel/2022-12-01 · Vendor Advisory
• https://t.me/cibsecurity/54694 · Telegram Post