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CVE record · CVE-2023-31343

Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.

CVSS 7.5 HighEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: AMD) at 11 Feb 2025, 22:35 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
AMD AMD EPYC™ 7003 Processors
  • unaffected MilanPI 1.0.0.C
Other versions: affected
AMD AMD EPYC™ 9004 Processors
  • unaffected GenoaPI 1.0.0.B
Other versions: affected
AMD AMD Instinct™ MI300A
  • unaffected MI300API 1.0.0.5
Other versions: affected
AMD AMD Ryzen™ 3000 Series Desktop Processors
  • unaffected ComboAM4v2PI 1.2.0.C
Other versions: affected
AMD AMD Ryzen™ 5000 Series Desktop Processors
  • unaffected ComboAM4v2PI 1.2.0.C
Other versions: affected
AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics
  • unaffected ComboAM4v2PI 1.2.0.C
Other versions: affected
AMD AMD Ryzen™ 7000 Series Desktop Processors
  • unaffected ComboAM5 1.1.0.2
Other versions: affected
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
  • unaffected ComboAM4v2PI 1.2.0.C
Other versions: affected
AMD AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics
  • unaffected ComboAM4v2PI 1.2.0.C
Other versions: affected
AMD AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics
  • unaffected ComboAM5 1.1.0.2
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors
  • unaffected ChagallWSPI-sWRX8 1.0.0.7
Other versions: affected
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
  • unaffected "Pollock-FT5 1.0.0.7"
Other versions: affected
AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
  • unaffected "Picasso-FP5 1.0.1.1"
Other versions: affected
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
  • unaffected "RenoirPI-FP6 1.0.0.D"
Other versions: affected
AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
  • unaffected "Cezanne-FP6 1.0.1.0"
Other versions: affected
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
  • unaffected "MendocinoPI-FT6 1.0.0.6"
Other versions: affected
AMD AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics
  • unaffected "Rembrandt-FP7 1.0.0.A"
Other versions: affected
AMD AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics
  • unaffected "Rembrandt-FP7 1.0.0.A"
Other versions: affected
AMD AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics
  • unaffected "PhoenixPI-FP8-FP7 1.1.0.2"
Other versions: affected
AMD AMD Ryzen™ 7000 Series Mobile Processors
  • unaffected "DragonRangeFL1PI 1.0.0.3C"
Other versions: affected
AMD AMD EPYC™ Embedded 7003
  • unaffected "EmbMilanPI-SP3 1.0.0.8"
Other versions: affected
AMD AMD EPYC™ Embedded 9004
  • unaffected EmbGenoaPI-SP5 1.0.0.6
Other versions: unaffected
AMD AMD Ryzen™ Embedded R1000
  • unaffected "EmbeddedPI-FP5 1.2.0.C"
Other versions: unaffected
AMD AMD Ryzen™ Embedded R2000
  • affected "EmbeddedR2KPI-FP5 1.0.0.3"
Other versions: affected
AMD AMD Ryzen™ Embedded 5000
  • unaffected "EmbAM4PI 1.0.0.5"
Other versions: affected
AMD AMD Ryzen™ Embedded 7000
  • unaffected EmbeddedAM5PI 1.0.0.1
Other versions: affected
AMD AMD Ryzen™ Embedded V2000
  • unaffected "EmbeddedPI-FP6 1.0.0.9"
Other versions: affected
AMD AMD Ryzen™ Embedded V3000
  • unaffected "Embedded-PI FP7r2 1.0.0.9"
Other versions: affected
Identifiers
CVE-2023-31343
CNA
AMD
Weakness (CWE)
CWE-1220
Tags
Published
11 Feb 2025
Updated
23 Sept 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CNA (AMD)
  • CISA KEV Not listed.
  • EPSS 0.0018, the 7th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 11 Feb 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.