SB2024020613 - Privilege escalation in Arm Valhall GPU kernel driver
Published: February 6, 2024
Security Bulletin ID
SB2024020613
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-5091)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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
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.
Remediation
Install update from vendor's website.