PT-2023-17849 · Google · Android Kernel

Published 2023-03-24 · Updated 2023-03-29 · CVE-2023-21058

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Android kernel

Description The issue is related to a possible out of bounds write in the lcsm SendRrAcquiAssist function of lcsm bcm assist.c due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android kernel, consider applying a patch that includes a bounds check for the lcsm SendRrAcquiAssist function to prevent out of bounds writes. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2023-21058

Affected Products

Android Kernel

References · 3

• https://source.android.com/security/bulletin/pixel/2023-03-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21058 · Security Note
• https://t.me/cvenotify/47081 · Telegram Post