#VU86160 Use-after-free in Valhall GPU Kernel Driver and Bifrost GPU Kernel Driver - CVE-2023-5249

Vulnerability identifier: #VU86160

Vulnerability risk: Low

CVSSv4.0: 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/E:U/U:Clear

CVE-ID: CVE-2023-5249

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Valhall GPU Kernel Driver
Bifrost GPU Kernel Driver

Software vendor:
ARM

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

The vulnerability exists due to a use-after-free error in Arm kernel. A local application can execute arbitrary code on the system with elevated privileges.

Install updates from vendor's website.

• https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities