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CVE record · CVE-2024-21947

Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.

CVSS 7.5 HighEPSS 0.0014 · 3rd percentile

Published by the CVE Program (CNA: AMD) at 6 Sept 2025, 17:10 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 Ryzen™ Threadripper™ 3000 Processors
  • unaffected CastlePeakPI-SP3r3 1.0.0.C
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors
  • unaffected ChagallWSPI-sWRX8-1.0.0.7
Other versions: affected
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
  • unaffected CezannePI-FP6_1.0.1.0
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
  • unaffected CastlePeakWSPI-sWRX8 1.0.0.E
  • unaffected ChagallWSPI-sWRX8-1.0.0.7
Other versions: affected
AMD AMD Ryzen™ 3000 Series Desktop Processors
  • unaffected ComboAM4 1.0.0.B
  • unaffected ComboAM4v2PI_1.2.0.CA
Other versions: affected
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
  • unaffected Picasso-FP5 1.0.1.1
Other versions: affected
AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics
  • unaffected Picasso-FP5 1.0.1.1
Other versions: affected
AMD AMD Ryzen™ 5000 Series Desktop Processors
  • unaffected ComboAM4v2PI_1.2.0.CA
Other versions: affected
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
  • unaffected ComboAM4 1.0.0.B
Other versions: affected
AMD AMD Ryzen™ 8000 Series Desktop Processors
  • unaffected ComboAM5 1.2.0.0
Other versions: affected
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
  • unaffected PhoenixPI-FP8-FP7_1.1.0.2
Other versions: affected
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
  • unaffected Renoir-FP6 1.0.0.D
Other versions: affected
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
  • unaffected Rembrandt-FP7 1.0.0.A
Other versions: affected
AMD AMD Ryzen™ 7000 Series Desktop Processors
  • unaffected ComboAM5 1.2.0.0
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™ 7045 Series Mobile Processors with Radeon™ Graphics
  • unaffected DragonRangeFL1 1.0.0.3d
Other versions: affected
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
  • unaffected Rembrandt-FP7 1.0.0.A
Other versions: affected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
  • unaffected CezannePI-FP6_1.0.1.0
Other versions: affected
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
  • unaffected ComboAM4v2PI_1.2.0.CA
Other versions: affected
AMD AMD Ryzen™ 4000 Series Desktop Processors
  • unaffected ComboAM4v2PI_1.2.0.CA
Other versions: affected
AMD AMD Ryzen™ Embedded R1000 Series Processors
  • unaffected EmbeddedPI-FP5 120C
Other versions: affected
AMD AMD Ryzen™ Embedded R2000 Series Processors
  • unaffected EmbeddedR2KPI-FP5_1003
Other versions: affected
AMD AMD Ryzen™ Embedded 5000 Series Processors
  • unaffected EmbAM4PI 1.0.0.5
Other versions: affected
AMD AMD Ryzen™ Embedded V1000 Series Processors
  • unaffected EmbeddedPI-FP5 120C
Other versions: affected
AMD AMD Ryzen™ Embedded V2000 Series Processors
  • unaffected EmbeddedPI-FP6_1.0.0.A
Other versions: affected
AMD AMD Ryzen™ Embedded V3000 Series Processors
  • unaffected Embedded-PI_FP7r2 1009
Other versions: affected
Identifiers
CVE-2024-21947
CNA
AMD
Weakness (CWE)
CWE-1220
Tags
Published
6 Sept 2025
Updated
26 Feb 2026

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 0.0014, the 3rd 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 6 Sept 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.