PT-2022-11079 · Google · Android

Published 2022-06-15 · Updated 2022-06-24 · CVE-2021-39806

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-12L

Description A possible way to corrupt memory due to a double free in label backends android.c could lead to local escalation of privilege during startup of servicemanager. This can occur if an attacker can trigger an initialization failure, with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android version Android-12L, update to a version that fixes the double free issue in label backends android.c to prevent local escalation of privilege. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2021-39806

Affected Products

Android

References · 5

• https://source.android.com/security/bulletin/pixel/2022-06-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39806 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39806 · Security Note
• https://t.me/cvenotify/31647 · Telegram Post
• https://t.me/cibsecurity/44519 · Telegram Post