CVE-2025-54509

Medium

Open

TLP:CLEAR

NVD CVE.org

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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.

Details

CVSS Score: 4.0
EPSS Score ⓘ: 0.13%

2.8th percentile
CVSS 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
Confidence: 90%
Published: Jun 9, 2026
Last Modified: Jul 23, 2026

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