#VU97951 Incomplete cleanup in 3rd Gen AMD EPYC Processors and 4th Gen AMD EPYC Processors - CVE-2023-31356
Published: October 2, 2024
Vulnerability identifier: #VU97951
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-31356
CWE-ID: CWE-459
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
3rd Gen AMD EPYC Processors
4th Gen AMD EPYC Processors
3rd Gen AMD EPYC Processors
4th Gen AMD EPYC Processors
Software vendor:
AMD
AMD
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incomplete system memory cleanup in SEV firmware. A local privileged user can corrupt guest private memory.
Remediation
Install updates from vendor's website.