CVE-2023-31364 (GCVE-0-2023-31364)

Vulnerability from cvelistv5 – Published: 2026-02-26 20:33 – Updated: 2026-02-26 20:33
VLAI?
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.
Severity ?
8.3 (High)
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
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD AMD EPYC™ 7001 Series Processors Unaffected: NaplesPI 1.0.0.R
Create a notification for this product.
    AMD AMD EPYC™ 7002 Series Processors Unaffected: RomePI 1.0.0.N
Create a notification for this product.
    AMD AMD EPYC™ 7003 Series Processors Unaffected: MilanPI 1.0.0.H
Create a notification for this product.
    AMD AMD EPYC™ 8004 Series Processors Unaffected: GenoaPI 1.0.0.G
Create a notification for this product.
    AMD AMD EPYC™ 9004 Series Processors Unaffected: GenoaPI 1.0.0.G
Create a notification for this product.
    AMD AMD EPYC™ 9005 Series Processors Unaffected: TurinPI 1.0.0.7
Create a notification for this product.
    AMD AMD EPYC™ Embedded 3000 Series Processors Unaffected: SnowyOwl_SP4_SP4r2.1.1.0.H
Create a notification for this product.
    AMD AMD EPYC™ Embedded 7002 Series Processors Unaffected: EmbRomePI-SP3 1.0.0.F
Create a notification for this product.
    AMD AMD EPYC™ Embedded 7003 Series Processors Unaffected: EmbMilanPI-SP3 v9 1.0.0.C
Create a notification for this product.
    AMD AMD EPYC™ Embedded 8004 Series Processors Affected: EmbGenoaPI-SP5 1.0.0.B
Create a notification for this product.
    AMD AMD EPYC™ Embedded 9004 Series Processor Affected: EmbGenoaPI-SP5 1.0.0.B
Create a notification for this product.
    AMD AMD EPYC™ Embedded 9005 Series Processors Unaffected: EmbTurinPI-SP5 1.0.0.1
Create a notification for this product.
    AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 3000 Series Desktop Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 7000 Series Desktop Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ 8000 Series Desktop Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Embedded 5000 Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Embedded 7000 Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Embedded 8000 Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Embedded R1000 Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Embedded R2000 Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Embedded V1000 Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Embedded V2000 Series Processors Affected: No Fix Planned
Create a notification for this product.
    AMD AMD Ryzen™ Embedded V3000 Series Processors Affected: No Fix Planned
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(248, 249, 250);\"\u003eImproper 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.\u003c/span\u003e"
            }
          ],
          "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "exploitMaturity": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-26T20:33:28.086Z",
        "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "shortName": "AMD"
      },
      "references": [
        {
          "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7059.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
    "assignerShortName": "AMD",
    "cveId": "CVE-2023-31364",
    "datePublished": "2026-02-26T20:33:28.086Z",
    "dateReserved": "2023-04-27T15:25:41.429Z",
    "dateUpdated": "2026-02-26T20:33:28.086Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-31364\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2026-02-26T21:28:47.037\",\"lastModified\":\"2026-02-26T21:28:47.037\",\"vulnStatus\":\"Received\",\"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.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"psirt@amd.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"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\",\"baseScore\":8.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"HIGH\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"psirt@amd.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"references\":[{\"url\":\"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7059.html\",\"source\":\"psirt@amd.com\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.