Vulnerability Monitor

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CVE-2021-26409

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.

Published

2023-01-11T08:15:11.743

Last Modified

2025-04-09T15:15:44.103

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses

Type: Primary
CWE-120
Type: Secondary
CWE-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	amd	milanpi_firmware	< 1.0.0.3	Yes
Hardware	amd	milanpi	-	No

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 Vendor Advisory ([email protected])
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)