CVE-2025-54509

4.0 mediumEPSS 0.1%

Medium (4.0). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-31)
CWE: CWE-1262
Published: 2026-06-09
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

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

Check your stack JSON