PT-2023-8468 · Unknown · Powervr Gpu Driver

Published 2023-12-01 · Updated 2023-12-22 · CVE-2023-21228

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 PowerVR GPU driver versions (affected versions not specified)

Description The issue is related to a buffer overflow in the PowerVR GPU driver, specifically in the PMR ReadBytes() function for Android and ChromeOS, and an out of bounds write in the PMRChangeSparseMemOSMem function of physmem osmem linux.c. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

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

RCE

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-20

CWE-787

CWE-119

Related Identifiers

BDU:2024-00918

CVE-2023-21228

Affected Products

Powervr Gpu Driver

References · 9

• https://source.android.com/security/bulletin/2023-12-01 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-00918 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21228 · Security Note
• https://t.me/cvenotify/64815 · Telegram Post
• https://t.me/cvenotify/62210 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023120445 · Note
• https://twitter.com/VulmonFeeds/status/1731851963346624583 · Twitter Post
• https://t.me/cvenotify/62791 · Telegram Post
• https://chromereleases.googleblog.com/2024/02/long-term-support-channel-update-for.html · Note