#VU84016 Buffer overflow in 3rd Gen AMD EPYC Processors - CVE-2022-23820
Published: December 8, 2023
Vulnerability identifier: #VU84016
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-23820
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
3rd Gen AMD EPYC Processors
3rd 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 improper validation of the AMD SMM communication buffer. A local user can corrupt the SMRAM and execute arbitrary code on the system.
Remediation
Install updates from vendor's website.