AMD Security Vulnerabilities - April 2026
On April 14th, 2026, AMD published AMD-SB-7054 Security Bulletins [1], AMD-SB-3034[2] and AMD-SB-3016[3] containing a security vulnerability each. This article contains tables listing measures to address the security vulnerabilities.
Affected systems
AMD Threadripper systems:
- systems with AMD Ryzen Threadripper PRO 3000WX processors
- systems with AMD Ryzen Threadripper PRO 5000WX processors
- systems with AMD Ryzen Threadripper 7000 / PRO 7000WX processors
- systems with AMD Ryzen Threadripper 9000 / PRO 9000WX processors
AMD EPYC systems:
- systems with "Zen 4" AMD EPYC 4004 Raphael processors
- systems with "Zen 2" AMD EPYC 7002 Rome processors
- systems with "Zen 3" AMD EPYC 7003 Milan processors
- systems with "Zen 4" AMD EPYC 9004 Genoa und Bergamo & 8004 Siena processors
- systems with "Zen 5" AMD EPYC 9005 Turin processors
Solution for the problem
Here is a table listing the relevant CVEs and corrective measures for each EPYC generation, where available.
AMD EPYC 4004 Raphael
| Security vulnerability | Risk potential: | AGESA version |
|---|---|---|
| CVE-2025-54502 | 7.1 (high) | ComboAM5PI 1.0.0.d (2025-11-12) |
AMD EPYC 7002 Rome
| Security vulnerability | Risk potential: | AGESA version |
|---|---|---|
| CVE-2025-54502 | 7.1 (high) | RomePI 1.0.0.P (2025-11-04) |
AMD EPYC 7003 Milan:
| Security vulnerability | Risk potential: | AGESA version | SEV FW | TCB‑Wert for SEV‑certification | TCB‑Wert for SNP‑certification |
|---|---|---|---|---|---|
| CVE-2025-54502 | 7.1 (high) | MilanPI 1.0.0.J (2025-12-15) | N/A | N/A | N/A |
| CVE-2025-54510 | 5.9 (medium) | MilanPI 1.0.0.J (2025-12-15) | N/A | TCB[SNP]>=0x1D
mitigation bit = 4 |
N/A |
| CVE-2023-20585 | 5.6 (medium) | MilanPI 1.0.0.H (2025-09-04) + OS update | SEV FW 1.37.23 + OS update | N/A | TCB[SNP]>=0x1B |
AMD EPYC 8004 Siena:
| Security vulnerability | Risk potential: | AGESA version | SEV FW | TCB‑Wert for SEV‑certification | TCB‑Wert for SNP‑certification |
|---|---|---|---|---|---|
| CVE-2025-54502 | 7.1 (high) | GenoaPI 1.0.0.H (2025-12-15) | N/A | N/A | N/A |
| CVE-2025-54510 | 5.9 (medium) | GenoaPI 1.0.0.H (2025-12-15) | N/A | TCB[SNP]>=0x1C | N/A |
| CVE-2023-20585 | 5.6 (Mittel) | GenoaPI_1.0.0.G (2025-06-27) + OS update | SEV FW 1.37.31 + OS update | N/A | TCB[SNP]>=0x1B |
AMD EPYC 9004 Genoa:
| Security vulnerability | Risk potential: | AGESA version | SEV FW | TCB‑Wert für die SEV‑certification | TCB‑Wert für die SNP‑certification |
|---|---|---|---|---|---|
| CVE-2025-54502 | 7.1 (high) | GenoaPI 1.0.0.H (2025-12-15) | N/A | N/A | N/A |
| CVE-2025-54510 | 5.9 (medium) | GenoaPI 1.0.0.H (2025-12-15) | N/A | TCB[SNP]>=0x1C | N/A |
| CVE-2023-20585 | 5.6 (medium) | GenoaPI_1.0.0.G (2025-06-27) + OS update | SEV FW 1.37.31 + OS update | N/A | TCB[SNP]>=0x1B |
AMD EPYC 9005 Turin / Turin Dense
| Security vulnerability | Risk potential: | AGESA version | SEV FW | TCB‑Wert für die SEV‑certification | TCB‑Wert für die SNP‑certification |
|---|---|---|---|---|---|
| CVE-2025-54502 | 7.1 (high) | TurinPI 1.0.0.9 (2025-12-31) | N/A | N/A | N/A |
| CVE-2025-54510 | 5.9 (medium) | TurinPI 1.0.0.8 (2025-11-26) | N/A | TCB[SNP]>=0x5 | N/A |
Table from CVE-2025-54502 affected Threadripper processors:
| CPU | AGESA version |
|---|---|
| AMD Ryzen Threadripper PRO 3000WX | ChagallWSPI-sWRX8 1.0.0.D (2025-11-04)
CastlePeakWSPI-sWRX8 1.0.0.I (2025-10-17) |
| AMD Ryzen Threadripper PRO 5000WX | ChagallWSPI-sWRX8 1.0.0.D (2025-11-04) |
| AMD Ryzen Threadripper 7000 | ShimadaPeakPI-SP6 1.0.0.1c (2025-10-21) |
| AMD Ryzen Threadripper PRO 7000WX | ShimadaPeakPI-SP6 1.0.0.1c (2025-10-21)
StormPeakPI-SP6 1.0.0.1m (2025-12-01) StormPeakPI-SP6_1.1.0.0k (2025-12-01) |
| AMD Ryzen Threadripper 9000 | ShimadaPeakPI-SP6 1.0.0.1c (2025-10-21) |
| AMD Ryzen Threadripper PRO 9000WX | ShimadaPeakPI-SP6 1.0.0.1c (2025-10-21) |
Supermicro Security Bulletins were published on security vulnerabilities. A list with BIOS-versions of the respective mainboards, to close the gaps, is also included. Below is an extract from this table, which lists all the motherboards available from Thomas-Krenn: [4]
| AMD motherboard | BIOS version |
|---|---|
| H12SSW-iN/NT | 3.6 |
| H12SSL-i/C/CT/NT | 3.6 |
| H12DSi-N6/NT6 | 3.6 |
| H13SSW | 3.9 |
| H13SSL-N/NC | 3.9 |
Updates on Thomas-Krenn products
Updates on the respective system can be found in the Thomas-Krenn download area. The versions in the download area have been tested by us to guarantee the stability and compatibility of our systems.
If you require the latest version for your system and it is not yet available in our download area, you can get it at Asus or Supermicro.
References
- ↑ Incorrect use of LocateProtocol Service of the EFI_BOOT_Services table in SMI Handler – April 2026 (www.amd.com/en/resources/product-security)
- ↑ SEV-SNP Routing Misconfiguration – April 2026 (www.amd.com/en/resources/product-security)
- ↑ IOMMU Write Buffer Vulnerability – April 2026 (www.amd.com/en/resources/product-security)
- ↑ Supermicro Security Center (www.supermicro.com)
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Translator: Alina Ranzinger Alina has been working at Thomas-Krenn.AG since 2024. After her training as multilingual business assistant, she got her job as assistant of the Product Management and is responsible for the translation of texts and for the organisation of the department.
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