{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-31364", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2023-04-27T15:25:41.429Z", "datePublished": "2026-02-26T20:33:28.086Z", "dateUpdated": "2026-02-26T20:33:28.086Z"}, "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": 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"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": "<span style=\"background-color: rgb(248, 249, 250);\">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.</span>"}], "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": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2026-02-26T20:33:28.086Z"}, "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"}}}}