FKIE_CVE-2023-31364
Vulnerability from fkie_nvd - Published: 2026-02-26 21:28 - Updated: 2026-06-17 05:56
Severity
Summary
Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 7001 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "NaplesPI 1.0.0.R"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 7002 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "RomePI 1.0.0.N"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 7003 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "MilanPI 1.0.0.H"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 8004 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "GenoaPI 1.0.0.G"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 9004 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "GenoaPI 1.0.0.G"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 9005 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "TurinPI 1.0.0.7"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 Embedded 3000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "SnowyOwl_SP4_SP4r2.1.1.0.H"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 Embedded 7002 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbRomePI-SP3 1.0.0.F"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 Embedded 7003 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbMilanPI-SP3 v9 1.0.0.C"
}
]
},
{
"defaultStatus": "unaffected",
"product": "AMD EPYC\u2122 Embedded 8004 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "EmbGenoaPI-SP5 1.0.0.B"
}
]
},
{
"defaultStatus": "unaffected",
"product": "AMD EPYC\u2122 Embedded 9004 Series Processor",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "EmbGenoaPI-SP5 1.0.0.B"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 Embedded 9005 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbTurinPI-SP5 1.0.0.1"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Athlon\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 3000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 4000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 6000 Series Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 7000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 7020 Series Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 7040 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 7045 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 8000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000 WX-Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 5000 WX-Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded 5000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded 7000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded 8000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded R1000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded R2000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded V1000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded V2000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded V3000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "No Fix Planned"
}
]
}
],
"source": "psirt@amd.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service."
},
{
"lang": "es",
"value": "El manejo inadecuado de las escrituras directas en memoria en la unidad de gesti\u00f3n de memoria de entrada/salida podr\u00eda permitir que una m\u00e1quina virtual (VM) invitada maliciosa inunde un anfitri\u00f3n con escrituras, causando potencialmente un error fatal de comprobaci\u00f3n de m\u00e1quina que resultar\u00eda en denegaci\u00f3n de servicio."
}
],
"id": "CVE-2023-31364",
"lastModified": "2026-06-17T05:56:51.363",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "psirt@amd.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-31364",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-27T19:05:49.436981Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-02-26T21:28:47.037",
"references": [
{
"source": "psirt@amd.com",
"url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7059.html"
}
],
"sourceIdentifier": "psirt@amd.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "psirt@amd.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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