CVE-2025-54509

MediumCVSS 4.0/10Last modified Jul 23, 2026

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.

Metrics

CVSS 4.0 4.0/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-1262

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
AMD	AMD EPYC™ 9004 Series Processors	—
AMD	AMD EPYC™ 9005 Series Processors	—
AMD	AMD EPYC™ 8004 Series Processors	—
AMD	AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")	—
AMD	AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")	—
AMD	AMD EPYC™ Embedded 8004 Series Processors	—
AMD	AMD EPYC™ Embedded 9005 Series Processors	—

References

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

Timeline

Published: Jun 9, 2026
Last modified: Jul 23, 2026
NVD status: Awaiting Analysis

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