Out-of-bounds write in ARM products - CVE-2023-5643

 

Out-of-bounds write in ARM products - CVE-2023-5643

Published: February 6, 2024


Vulnerability identifier: #VU86162
CSH Severity: Low
CVSS v4.0: 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-2023-5643
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: ARM
Affected software:
Valhall GPU Kernel Driver
Bifrost GPU Kernel Driver
Arm 5th Gen GPU Architecture Kernel Driver

Detailed vulnerability description

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

The vulnerability exists due to a boundary error within the Arm kernel driver. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


How to mitigate CVE-2023-5643

Install updates from vendor's website.

Sources