FKIE_CVE-2024-21944

Vulnerability from fkie_nvd - Published: 2026-06-10 23:16 - Updated: 2026-07-23 09:10
Severity
5.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Summary
Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker with physical access, ring0 access on a system with a non-compliant DIMM, or control over the Root of Trust for BIOS update, to potentially overwrite guest memory resulting in loss of guest data integrity.
References
psirt@amd.comhttps://www.amd.com/en/resources/product-security/bulletin/amd-sb-3015.html
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 7003 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "Milan PI 1.0.0.D"
            },
            {
              "status": "unaffected",
              "version": "SEV FW 1.55.22 (hex 1.37.16)"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 9004 Series Processor",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "Genoa PI 1.0.0.D"
            },
            {
              "status": "unaffected",
              "version": "SEV FW 1.55.38 (hex 1.37.26)"
            }
          ]
        }
      ],
      "source": "psirt@amd.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker with physical access, ring0 access on a system with a non-compliant DIMM, or control over the Root of Trust for BIOS update, to potentially overwrite guest memory resulting in loss of guest data integrity."
    },
    {
      "lang": "es",
      "value": "La validaci\u00f3n de entrada incorrecta para los metadatos de detecci\u00f3n de presencia serie (SPD) de DIMM podr\u00eda permitir a un atacante con acceso f\u00edsico, acceso ring0 en un sistema con un DIMM no conforme, o control sobre la Ra\u00edz de Confianza para la actualizaci\u00f3n del BIOS, sobrescribir potencialmente la memoria invitada, resultando en la p\u00e9rdida de integridad de los datos invitados."
    }
  ],
  "id": "CVE-2024-21944",
  "lastModified": "2026-07-23T09:10:00.113",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 4.0,
        "source": "psirt@amd.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-21944",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-11T13:27:57.865423Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-10T23:16:44.950",
  "references": [
    {
      "source": "psirt@amd.com",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3015.html"
    }
  ],
  "sourceIdentifier": "psirt@amd.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "psirt@amd.com",
      "type": "Secondary"
    }
  ]
}



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