CVE-2025-29950 json
Improper input validation in system management mode (SMM) could allow a privileged attacker to overwrite stack memory leading to arbitrary…
published 2026-02-10 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-207461
- cvss
- 7.1
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
Improper input validation in system management mode (SMM) could allow a privileged attacker to overwrite stack memory leading to arbitrary code execution.
Patch / fix
- 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 CastlePeakWSPI-sWRX8 1.0.0.I, ChagallWSPI-sWRX8 1.0.0.C
- AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors ChagallWSPI-sWRX8 1.0.0.C
- AMD AMD Ryzen™ Threadripper™ 7000 Processors ShimadaPeakPI-SP6_1.0.0.1, StormPeakPI-SP6_1.0.0.1l
- AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors ShimadaPeakPI-SP6_1.0.0.1, StormPeakPI-SP6_1.1.0.0j
- 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
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 8 mo ago
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 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 |
| CNA | 4.0 | 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/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 |
Affected products
- AMD AMD EPYC™ 9004 Series Processors
- AMD AMD EPYC™ 7003 Series Processors
- AMD AMD EPYC™ 7002 Series Processors
- AMD AMD EPYC™ 7001 Series Processors
- AMD AMD EPYC™ 9005 Series Processors
- AMD AMD Instinct™ MI300A
- AMD AMD EPYC™ 9V64H Processor
- AMD AMD Ryzen™ Threadripper™ PRO 3000WX Processors
- AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors
- AMD AMD Ryzen™ Threadripper™ 7000 Processors
- AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors
- AMD AMD Ryzen™ Threadripper™ 9000 Processors
- AMD AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors
- AMD AMD EPYC™ Embedded 7003 Series Processors
- AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")
- AMD AMD EPYC™ Embedded 7002 Series Processors
- AMD AMD EPYC™ Embedded 3000 Series Processors
- AMD AMD EPYC™ Embedded 9005 Series Processors
- AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")
- AMD AMD EPYC™ Embedded 8004 Series Processors
Classification
- Weakness
-
- CWE-1274 Improper Access Control for Volatile Memory Containing Boot Code
References
Sources
- CVE List CVE-2025-29950
- NVD CVE-2025-29950
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.