CVE-2025-54509

State: Published
Severity: 4.0 Medium
Published: Jun 9, 2026
Updated: Jul 23, 2026
Reserved: Jul 23, 2025

Description

Improper access control for register interface in the Input-Output Memory Management Unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD Secure Processor (ASP), potentially resulting in loss of integrity.

Scores

CVSS	Score	Vector	Source
4.0	4.0 Medium	CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N	AMD

Weaknesses

CWE-1262 Register Interface Allows Software Access to Sensitive Data or Security Settings

Affected Products

Product	Versions
AMD EPYC™ 9004 Series ProcessorsAMD	GenoaPI_1.0.0.HNot affected
AMD EPYC™ 9005 Series ProcessorsAMD	TurinPI_1.0.0.8Not affected
AMD EPYC™ 8004 Series ProcessorsAMD	GenoaPI_1.0.0.HNot affected
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")AMD	EmbGenoaPI-SP5 1.0.0.DNot affected
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")AMD	EmbGenoaPI-SP5 1.0.0.DNot affected
AMD EPYC™ Embedded 8004 Series ProcessorsAMD	EmbGenoaPI-SP5 1.0.0.DNot affected
AMD EPYC™ Embedded 9005 Series ProcessorsAMD	EmbeddedTurinPI_SP5_1004Not affected

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3039.html

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