# CVE-2025-29950

## Summary

- **CVE ID:** CVE-2025-29950
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-1274
- **Published:** Feb 10, 2026
- **Last Modified:** Mar 13, 2026

## Description

Improper input validation in system management mode (SMM) could allow a privileged attacker to overwrite stack memory leading to arbitrary code execution.

## Affected Products

- AMD — AMD EPYC™ 9004 Series Processors (GenoaPI 1.0.0.G)
- AMD — AMD EPYC™ 7003 Series Processors (MilanPI 1.0.0.H)
- AMD — AMD EPYC™ 7002 Series Processors (RomePI 1.0.0.N)
- AMD — AMD EPYC™ 7001 Series Processors (NaplesPI 1.0.0.R)
- AMD — AMD EPYC™ 9005 Series Processors (TurinPI 1.0.0.6)
- AMD — AMD Instinct™ MI300A (MI300A 1.0.0.B)
- AMD — AMD EPYC™ 9V64H Processor (MI300C 1.0.0.2)
- AMD — AMD Ryzen™ Threadripper™ PRO 3000WX Processors (ChagallWSPI-sWRX8 1.0.0.C)
- AMD — AMD Ryzen™ Threadripper™ PRO 3000WX Processors (CastlePeakWSPI-sWRX8 1.0.0.I)
- AMD — AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors (ChagallWSPI-sWRX8 1.0.0.C)
- AMD — AMD Ryzen™ Threadripper™ 7000 Processors (StormPeakPI-SP6_1.0.0.1l)
- AMD — AMD Ryzen™ Threadripper™ 7000 Processors (ShimadaPeakPI-SP6_1.0.0.1)
- AMD — AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors (StormPeakPI-SP6_1.1.0.0j)
- AMD — AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors (ShimadaPeakPI-SP6_1.0.0.1)
- AMD — AMD Ryzen™ Threadripper™ 9000 Processors (ShimadaPeakPI-SP6_1.0.0.1)
- AMD — AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors (ShimadaPeakPI-SP6_1.0.0.1)
- AMD — AMD EPYC™ Embedded 7003 Series Processors (EmbMilanPI-SP3 v9 1.0.0.C)
- AMD — AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") (EmbGenoaPI-SP5 1.0.0.B)
- AMD — AMD EPYC™ Embedded 7002 Series Processors (EmbRomePI-SP3 1.0.0.F)
- AMD — AMD EPYC™ Embedded 3000 Series Processors (SnowyOwl_SP4_SP4r2.1.1.0.H)
- AMD — AMD EPYC™ Embedded 9005 Series Processors (EmbTurinPI-SP5_1.0.0.1)
- AMD — AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") (EmbGenoaPI-SP5 1.0.0.B)
- AMD — AMD EPYC™ Embedded 8004 Series Processors (EmbGenoaPI-SP5 1.0.0.B)

## References

- [CNA](https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html)
- [CNA](https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.15%
- **EPSS Percentile:** 4.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._