CVE-2024-21947 (GCVE-0-2024-21947)

Vulnerability from cvelistv5 – Published: 2025-09-06 17:10 – Updated: 2026-02-26 17:49
VLAI
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-1220 - Insufficient Granularity of Access Control
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD AMD Ryzen™ Threadripper™ 3000 Processors Unaffected: CastlePeakPI-SP3r3 1.0.0.C
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AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors Unaffected: ChagallWSPI-sWRX8-1.0.0.7
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AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6_1.0.1.0
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AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors Unaffected: CastlePeakWSPI-sWRX8 1.0.0.E
Unaffected: ChagallWSPI-sWRX8-1.0.0.7
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AMD AMD Ryzen™ 3000 Series Desktop Processors Unaffected: ComboAM4 1.0.0.B
Unaffected: ComboAM4v2PI_1.2.0.CA
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AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Unaffected: Picasso-FP5 1.0.1.1
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AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics Unaffected: Picasso-FP5 1.0.1.1
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AMD AMD Ryzen™ 5000 Series Desktop Processors Unaffected: ComboAM4v2PI_1.2.0.CA
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AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics Unaffected: ComboAM4 1.0.0.B
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AMD AMD Ryzen™ 8000 Series Desktop Processors Unaffected: ComboAM5 1.2.0.0
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AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics Unaffected: PhoenixPI-FP8-FP7_1.1.0.2
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AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Unaffected: Renoir-FP6 1.0.0.D
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AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics Unaffected: Rembrandt-FP7 1.0.0.A
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AMD AMD Ryzen™ 7000 Series Desktop Processors Unaffected: ComboAM5 1.2.0.0
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AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics Unaffected: MendocinoPI-FT6_1.0.0.6
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AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics Unaffected: DragonRangeFL1 1.0.0.3d
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AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics Unaffected: Rembrandt-FP7 1.0.0.A
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AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6_1.0.1.0
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AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics Unaffected: ComboAM4v2PI_1.2.0.CA
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AMD AMD Ryzen™ 4000 Series Desktop Processors Unaffected: ComboAM4v2PI_1.2.0.CA
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AMD AMD Ryzen™ Embedded R1000 Series Processors Unaffected: EmbeddedPI-FP5 120C
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AMD AMD Ryzen™ Embedded R2000 Series Processors Unaffected: EmbeddedR2KPI-FP5_1003
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AMD AMD Ryzen™ Embedded 5000 Series Processors Unaffected: EmbAM4PI 1.0.0.5
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AMD AMD Ryzen™ Embedded V1000 Series Processors Unaffected: EmbeddedPI-FP5 120C
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AMD AMD Ryzen™ Embedded V2000 Series Processors Unaffected: EmbeddedPI-FP6_1.0.0.A
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AMD AMD Ryzen™ Embedded V3000 Series Processors Unaffected: Embedded-PI_FP7r2 1009
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Date Public
2025-09-06 16:50
Credits
Reported through AMD Bug Bounty Program
Show details on NVD website
To clipboard 

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[{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP5 120C\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded R2000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedR2KPI-FP5_1003\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded 5000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbAM4PI 1.0.0.5\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V1000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP5 120C\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V2000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP6_1.0.0.A\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V3000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"Embedded-PI_FP7r2 1009\"}], \"defaultStatus\": \"affected\"}], \"datePublic\": \"2025-09-06T16:50:00.000Z\", \"references\": [{\"url\": \"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html\"}, {\"url\": \"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html\"}], \"x_generator\": {\"engine\": \"AMD PSIRT Automation 1.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"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.\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1220\", \"description\": \"CWE-1220 Insufficient Granularity of Access Control\"}]}], \"providerMetadata\": {\"orgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"shortName\": \"AMD\", \"dateUpdated\": \"2025-09-23T21:24:22.687Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-21947\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-09-23T21:24:22.687Z\", \"dateReserved\": \"2024-01-03T16:43:21.322Z\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"datePublished\": \"2025-09-06T17:10:47.951Z\", \"assignerShortName\": \"AMD\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.