PT-2023-8466 · Imagination Technologies · Powervr Gpu Driver

Published 2023-12-01 · Updated 2023-12-22 · CVE-2023-21402

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 the MMU UnmapPages() function of the PowerVR GPU driver in Android and ChromeOS, which is vulnerable to a buffer overflow in memory. This could allow an attacker to escalate their privileges. The vulnerability is due to improper input validation, leading to a possible out of bounds read. Exploitation does not require user interaction and can lead to local escalation of privilege in the kernel.

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:2024-00916

CVE-2023-21402

Affected Products

Powervr Gpu Driver

References · 8

• https://bdu.fstec.ru/vul/2024-00916 · Security Note
• https://source.android.com/security/bulletin/2023-12-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21402 · Security Note
• https://t.me/cvenotify/62794 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023120445 · Note
• https://chromereleases.googleblog.com/2024/02/long-term-support-channel-update-for.html · Note
• https://t.me/cvenotify/62213 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1731852469427187801 · Twitter Post