#VU84021 Input validation error in 3rd Gen AMD EPYC Processors and 4th Gen AMD EPYC Processors - CVE-2023-20566 

 

#VU84021 Input validation error in 3rd Gen AMD EPYC Processors and 4th Gen AMD EPYC Processors - CVE-2023-20566

Published: December 8, 2023


Vulnerability identifier: #VU84021
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-20566
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
3rd Gen AMD EPYC Processors
4th Gen AMD EPYC Processors
Software vendor:
AMD

Description

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

The vulnerability exists due to insufficient validation of user-supplied input n ASP with SNP enabled. A local user can compromise guest memory integrity.


Remediation

Install updates from vendor's website.

External links