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    CVE-2025-54509

    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.

    Published:Jun 9, 2026
    Last Modified:Jul 31, 2026
    EPS:Jun 9, 2026
    EPSS Score:0.00127
    CVSS Score:4

    Affected Products

    Vendor
    Amd
    Product
    Epyc 8004 Series Processors
    Vendor
    Amd
    Product
    Epyc 9004 Series Processors
    Vendor
    Amd
    Product
    Epyc 9005 Series Processors
    Vendor
    Amd
    Product
    Epyc Embedded 8004 Series Processors
    Vendor
    Amd
    Product
    Epyc Embedded 9005 Series Processors
    Vendor
    Amd
    Product
    Ryzen Embedded V1000 Series Processors

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-680 Exploitation of Improperly Controlled Registers

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High