PT-2023-8467 · Imagination Technologies · Powervr Gpu Driver

Published 2023-12-01 · Updated 2023-12-22 · CVE-2023-21218

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 PMRChangeSparseMemOSMem() 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 an incorrect bounds check, leading to a possible out of bounds write. Exploitation does not require user interaction and could 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:2024-00917

CVE-2023-21218

Affected Products

Powervr Gpu Driver

References · 7

• https://bdu.fstec.ru/vul/2024-00917 · Security Note
• https://source.android.com/security/bulletin/2023-12-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21218 · Security Note
• https://t.me/cvenotify/62208 · Telegram Post
• https://chromereleases.googleblog.com/2024/02/long-term-support-channel-update-for.html · Note
• https://cybersecurity-help.cz/vdb/SB2023120445 · Note
• https://t.me/cvenotify/64813 · Telegram Post