Main Vulnerability Database Vulnerabilities #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

CSH Severity: Low

CVSS v4.0: 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

Vendor: AMD

Affected software:
3rd Gen AMD EPYC Processors
4th Gen AMD EPYC Processors

Detailed vulnerability 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.

Install updates from vendor's website.