PT-2023-17843 · Google · Android Kernel

CVE-2023-21052 · Published 2023-03-24 · Updated 2025-02-24

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

Description The issue is related to a missing bounds check in the setToExternal function of ril external client.cpp, which could lead to a possible out of bounds write. This might result in local escalation of privilege, requiring System execution privileges. No user interaction is needed for exploitation.

Recommendations For Android kernel, consider applying a patch that includes a bounds check in the setToExternal function of ril external client.cpp to prevent out of bounds writes. As a temporary workaround, restrict access to the setToExternal function to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2023-21052

Affected Products

Android Kernel

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2023-21052 · Security Note
• https://source.android.com/security/bulletin/pixel/2023-03-01 · Vendor Advisory
• https://t.me/cvenotify/112298 · Telegram Post