Race condition in Valhall GPU Kernel Driver and Arm 5th Gen GPU Architecture Kernel Driver - CVE-2023-34970

Vulnerability identifier: #VU81407

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-2023-34970

CWE-ID: CWE-362

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a race condition. A local user can exploit the race to trigger a use-after-free and execute arbitrary code with elevated privileges.

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

Install updates from vendor's website.

Valhall GPU Kernel Driver - addressed in versions r44p1, r45p0
Arm 5th Gen GPU Architecture Kernel Driver - addressed in versions r44p1, r45p0
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-2023-34970

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