AMD Security Vulnerabilities, August 2025

This update applies to the H11, H12, H13 and H14 families of products powered by 1st/2nd/3rd/4th/5th Gen AMD EPYC™ Processors. This update also applies to M11/M12 and H13 family of products powered by Ryzen™ Threadripper™ processor. Potential vulnerabilities in various platform components were discovered and have been mitigated in AMD EPYC™ and AMD Ryzen™ AGESA™ PI packages.

More Information:

Security Advisories that affect Supermicro BIOS:

  • AMD-SB-4012 - AMD Client Vulnerabilities – August 2025
    • Summary: Audits performed on AMD Ryzen™ Processor platforms uncovered potential vulnerabilities affecting AMD Client platforms.
    • Description: Potential vulnerabilities in AMD Client Processor platforms that affect SMM, ASP, and other platform components, were found during audits performed internally and by third parties.
    • Severity: High
  • AMD-SB-3014 - AMD Server Vulnerabilities – August 2025
    • Summary: Audits performed on AMD EPYC™ uncovered potential vulnerabilities affecting AMD Server platforms.
    • Description: Potential vulnerabilities in AMD EPYC™ Processor platforms that affect IOMMU, AMD Secure Encrypted Virtualization – Secure Nested Paging (SEV-SNP) and other platform components, were found during audits performed internally and by third parties.
    • Severity: High

Affected Products:

AMD-SB-4012 Affects the following client products:
AMD MotherboardBIOS version with the fix
M11SDV-4/8C(T)-LN4FNot Affected
M12SWA-TFv 2.4
H13SAE-MFv 2.2
H13SRD-Fv 1.4
H13SRE-Fv 2.2a
H13SRHv 1.0
H13SRA-Fv 1.2a
H13SRA-TFv 1.2a
AMD-SB-3014 Affects the following server products:
AMD Motherboard GenerationBIOS version with the fix
H11 – EPYC™ 7001/7002 seriesV 3.3
H12 – H12SSW-AN6 – EPYC 7002/7003 seriesV 3.3
H12 – H12SSW-iNR/NTR – EPYC 7002/7003 seriesV 3.3
H12 – H12SSW-iNL/NTL – EPYC 7002/7003 seriesV 3.3
H12 – H12DSG-O-CPU – EPYC 7002/7003 seriesV 3.3
H12 – H12DST-B – EPYC 7002/7003 seriesV 3.3
H12 – H12SST-PS – EPYC 7002/7003 seriesV 3.3
H12 – H12SSW-iN/NT – EPYC 7002/7003 seriesV 3.3
H12 – BH12SSi-M25 – EPYC 7002/7003 seriesV 3.3
H12 – H12DSU-iN – EPYC 7002/7003 seriesV 3.3
H12 – H12SSFF-AN6 – EPYC 7002/7003 seriesV 3.3
H12 – H12SSL-i/C/CT/NT – EPYC 7002/7003 seriesV 3.3
H12 – H12DSi-N6/NT6 – EPYC 7002/7003 seriesV 3.3
H12 – H12SSFR-AN6 – EPYC 7002/7003 seriesV 3.3
H12 – H12DSG-Q-CPU6 – EPYC 7002/7003 seriesV 3.3
H12 – H12SSG-AN6 – EPYC 7002/7003 seriesV 3.3
H12 – H12DGQ-NT6 – EPYC 7002/7003 seriesV 3.3
H12 – H12SSG-ANP6 – EPYC 7002/7003 seriesV 3.3
H12 – H12DGO-6 – EPYC 7002/7003 seriesV 3.3
H12 – H12DSU-iNR – EPYC 7002/7003 seriesV 3.3
H13 – H13SSW – EPYC 9004/9005 seriesv 3.6
H13 – H13DSH – EPYC 9004/9005 seriesv 3.6
H13 – H13DSG-O-CPU – EPYC 9004/9005 seriesv 3.6a
H13 – H13SST-G/GC – EPYC 9004/9005 seriesv 3.4
H13 – H13SSL-N/NT – EPYC 9004/9005 seriesv 3.6
H13 – H13SSH – EPYC 9004/9005 seriesv 3.5
H13 – H13DSG-O-CPU-D – EPYC 9004 seriesv 3.7
H13 – H13SSF – EPYC 9004/9005 seriesv 3.6
H13 – H13SVW – EPYC 8004 seriesv 1.4
H13 – H13DSG-OM – EPYC 9004/9005 seriesv 3.6
H14 – H14DSH – EPYC 9004/9005 seriesv 1.5
H14 – H14SST – EPYC 9004/9005 seriesv 1.5
H14 – H14DSG-OD – EPYC 9004/9005 seriesv 1.5
H14 – H14SHM – EPYC 9005 seriesv 1.5
H14 – H14DST-F – EPYC 9005 seriesv 1.4
H14 – H14DSG-O-CPU – EPYC 9004/9005 seriesv 1.5
H14 – H14SSL-N/NT – EPYC 9005 seriesv 1.0b

Additional Resources

Security Advisories that affect BIOS: