CVE-2023-31343 json
Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code exec…
published 2025-02-11 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-35654
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 7%
- public exploits
- 0
- none known
Summary
Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.
Patch / fix
- AMD AMD EPYC™ 7003 Processors MilanPI 1.0.0.C
- AMD AMD EPYC™ 9004 Processors GenoaPI 1.0.0.B
- AMD AMD Instinct™ MI300A MI300API 1.0.0.5
- AMD AMD Ryzen™ 3000 Series Desktop Processors ComboAM4v2PI 1.2.0.C
- AMD AMD Ryzen™ 5000 Series Desktop Processors ComboAM4v2PI 1.2.0.C
- AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics ComboAM4v2PI 1.2.0.C
- AMD AMD Ryzen™ 7000 Series Desktop Processors ComboAM5 1.1.0.2
- AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2PI 1.2.0.C
- AMD AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics ComboAM4v2PI 1.2.0.C
- AMD AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics ComboAM5 1.1.0.2
- AMD AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors ChagallWSPI-sWRX8 1.0.0.7
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics "Pollock-FT5 1.0.0.7"
- AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics "Picasso-FP5 1.0.1.1"
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics "RenoirPI-FP6 1.0.0.D"
- AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics "Cezanne-FP6 1.0.1.0"
- AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics "MendocinoPI-FT6 1.0.0.6"
- AMD AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics "Rembrandt-FP7 1.0.0.A"
- AMD AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics "Rembrandt-FP7 1.0.0.A"
- AMD AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics "PhoenixPI-FP8-FP7 1.1.0.2"
- AMD AMD Ryzen™ 7000 Series Mobile Processors "DragonRangeFL1PI 1.0.0.3C"
- AMD AMD EPYC™ Embedded 7003 "EmbMilanPI-SP3 1.0.0.8"
- AMD AMD Ryzen™ Embedded 5000 "EmbAM4PI 1.0.0.5"
- AMD AMD Ryzen™ Embedded 7000 EmbeddedAM5PI 1.0.0.1
- AMD AMD Ryzen™ Embedded V2000 "EmbeddedPI-FP6 1.0.0.9"
- AMD AMD Ryzen™ Embedded V3000 "Embedded-PI FP7r2 1.0.0.9"
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
Affected products
- AMD AMD EPYC™ 7003 Processors
- AMD AMD EPYC™ 9004 Processors
- AMD AMD Instinct™ MI300A
- AMD AMD Ryzen™ 3000 Series Desktop Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics
- AMD AMD Ryzen™ 7000 Series Desktop Processors
- AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics
- AMD AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics
- AMD AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics
- AMD AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics
- AMD AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 7000 Series Mobile Processors
- AMD AMD EPYC™ Embedded 7003
- AMD AMD EPYC™ Embedded 9004
- AMD AMD Ryzen™ Embedded R1000
- AMD AMD Ryzen™ Embedded R2000
- AMD AMD Ryzen™ Embedded 5000
- AMD AMD Ryzen™ Embedded 7000
- AMD AMD Ryzen™ Embedded V2000
- AMD AMD Ryzen™ Embedded V3000
Classification
- Weakness
-
- CWE-1220 Insufficient Granularity of Access Control
References
Sources
- CVE List CVE-2023-31343
- NVD CVE-2023-31343
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.