CVE-2021-26409

Published: Jan 10, 2023

Modified: Apr 9, 2025

PUBLISHED

Description

Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.

Vendor	Product	Versions
AMD	3rd Gen EPYC	affected `various`

References

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

vendor-advisory

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CVE-2021-26409

Description

Affected Products

References