Use-after-free in ARM products - CVE-2023-33200

Vulnerability identifier: #VU81406

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-33200

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a use-after-free error. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

Valhall GPU Kernel Driver
Bifrost GPU Kernel Driver
Arm 5th Gen GPU Architecture Kernel Driver
Google Android

Install updates from vendor's website.

Valhall GPU Kernel Driver - update to r43p0
Bifrost GPU Kernel Driver - update to r43p0
Arm 5th Gen GPU Architecture Kernel Driver - update to r43p0
Google Android - addressed in versions 11 2023-10-05, 12L 2023-10-05, 12 2023-10-05, 13 2023-10-05

• https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities#CVE-2023-33200

• Multiple vulnerabilities in Mali GPU Kernel Drivers
• Multiple vulnerabilities in Google Android