Medium · 4.4 CVE-2021-26328 EUVD-2021-13134GHSA-fg37-647w-pgrp

Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.

Published Jan 10, 2023 · Updated Apr 9, 2025 · Assigned by AMD

Vendor: AMD Product: 3rd Gen EPYC

Description

Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.

Affected products

Vendor	Product	Affected	Fixed
AMD	3rd Gen EPYC	various	—

Advisories 1

WID-SEC-2023-0061 AMD Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 10, 2023

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 vendor-advisory