PT-2023-17844 · Google · Android Kernel

Published 2023-03-24 · Updated 2025-02-21 · CVE-2023-21053

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android kernel

Description The issue is related to a possible out of bounds read in the sms ExtractCbLanguage function of sms CellBroadcast.c due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android kernel, consider applying a patch that includes a bounds check in the sms ExtractCbLanguage function to prevent out of bounds reads. As a temporary workaround, restrict access to the sms CellBroadcast.c module to minimize the risk of exploitation.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2023-21053

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-2023-21053 · Security Note
• https://t.me/cvenotify/112095 · Telegram Post