Use-after-free in Valhall GPU Kernel Driver - CVE-2023-5091
Published: February 6, 2024
Vulnerability identifier: #VU86158
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-2023-5091
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Valhall GPU Kernel Driver
Google Android
Google Android
How to mitigate CVE-2023-5091
Install updates from vendor's website.
Valhall GPU Kernel Driver - update to r41p0
Google Android - addressed in versions 11 2024-02-05, 12L 2024-02-05, 12 2024-02-05, 13 2024-02-05, 14 2024-02-05
Google Android - addressed in versions 11 2024-02-05, 12L 2024-02-05, 12 2024-02-05, 13 2024-02-05, 14 2024-02-05