CVE-2025-61972

HIGH

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

Title source: rule
STIX 2.1

Description

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network (SMN) access, potentially resulting in arbitrary code execution in AMD Secure Processor (ASP) and loss of the SEV-SNP guest's confidentiality and integrity.

Scores

CVSS v4 8.5
EPSS 0.0002
EPSS Percentile 4.2%
CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/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 total

Details

CWE
CWE-1233
Status published
Products (7)
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 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