CVE-2025-61971

MEDIUM

Amd Epyc™ 9004 Series Processors - Security-Sensitive Hardware Controls with Missing Lock Bit Protection

Title source: rule

Description

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity.

References (1)

Core 1

Core References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html

Scores

CVSS v4 5.9

EPSS 0.0002

EPSS Percentile 3.9%

CVSS:4.0/AV:L/AC:L/AT:N/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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-1233

Status published

Products (9)

AMD/AMD EPYC™ 7003 Series Processors MilanPI-SP3_1.0.0.J

AMD/AMD EPYC™ 8004 Series Processors GenoaPI_1.0.0.H

AMD/AMD EPYC™ 9004 Series Processors GenoaPI_1.0.0.H

AMD/AMD EPYC™ 9005 Series Processors TurinPI_1.0.0.8

AMD/AMD EPYC™ Embedded 7003 Series Processors EmbMilanPI-SP3 1.0.0.D

AMD/AMD EPYC™ Embedded 8004 Series Processors EmbGenoaPI-SP5 1.0.0.D

AMD/AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") EmbGenoaPI-SP5 1.0.0.D

AMD/AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") EmbGenoaPI-SP5 1.0.0.D

AMD/AMD EPYC™ Embedded 9005 Series Processors EmbeddedTurinPI_SP5_1004

Published May 13, 2026

Tracked Since May 13, 2026