CVE-2025-54509

Published Jun 9, 2026 CVSS 4.0 · 4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Privilege Escalation via Improper Access Control in IOMMU Register Interface
Type Values Removed Values Added
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. 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.
Type Values Removed Values Added
First Time appeared Amd
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9005 Series Processors
Amd ryzen Embedded V1000 Series Processors
Vendors & Products Amd
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9005 Series Processors
Amd ryzen Embedded V1000 Series Processors
Type Values Removed Values Added
Title Privilege Escalation via Improper Access Control in IOMMU Register Interface
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Weaknesses CWE-1262
References
Metrics cvssV4_0

{'score': 4, 'vector': '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'}