PT-2023-8116 · Google · Android

Published 2023-11-08 · Updated 2023-12-22 · CVE-2023-21401

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Description The issue exists due to insufficient input validation in the DevmemIntChangeSparse function of the devicemem server.c kernel. This could allow a remote attacker to elevate their privileges. The vulnerability may lead to a local escalation of privilege in the kernel with no additional execution privileges needed, and user interaction is not required for exploitation.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2024-00095

CVE-2023-21401

Affected Products

Android

References · 10

• https://source.android.com/security/bulletin/2023-12-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21401 · Security Note
• https://bdu.fstec.ru/vul/2024-00095 · Security Note
• https://cybersecurity-help.cz/vdb/SB2023112019 · Note
• https://twitter.com/VulmonFeeds/status/1731852216426717504 · Twitter Post
• http://chromereleases.googleblog.com/2023/11/long-term-support-channel-update-for.html · Note
• https://t.me/cvenotify/62212 · Telegram Post
• https://source.android.com/docs/security/bulletin/2023-12-01?hl=ru · Note
• https://t.me/cvenotify/62793 · Telegram Post
• https://hkcert.org/security-bulletin/chromeos-multiple-vulnerabilities_20231108 · Note