CVE-2021-26409

High

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.

SeverityHigh

CVSS7.8

Exploit probability—

ProductAmd Milanpi Firmware

PublishedJan 11, 2023

First seenJan 11, 2023

Weakness typeCWE-120CWE-120

How to fix

Update

amd milanpi_firmware1.0.0.3 or later

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
amd milanpi_firmware	v < 1.0.0.3	1.0.0.3

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