Main Vulnerability Database Vulnerabilities #VU75990

Buffer overflow in 2nd Gen AMD EPYC Processors and 3rd Gen AMD EPYC Processors - CVE-2021-46762

Published: May 10, 2023

Vulnerability identifier: #VU75990

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-46762

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: AMD

Affected software:
2nd Gen AMD EPYC Processors
3rd Gen AMD EPYC Processors

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the SMU. A local user can corrupt SMU SRAM and perform a denial of service (DoS) attack.

Install updates from vendor's website.