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Status published
High
CVE-2024-56161
Improper signature verification in AMD CPU ROM microcode patch loader...
Vulnerability Description
Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
AMD EPYC™ 7001 Series, AMD EPYC™ 7002 Series, AMD EPYC™ 7003 Series, AMD EPYC™ 9004 Series
Vulnerable Versions:
NaplesPI 1.0.0.P, RomePI 1.0.0.L, MilanPI 1.0.0.F, Genoa 1.0.0.E
Timeline
Official Publish:
February 3rd, 2025
Last Modified:
April 2nd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N