CVE-2024-21954

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-21954", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2024-01-03T16:43:26.977Z", "datePublished": "2026-11-12T19:06:05.496Z", "dateUpdated": "2026-11-13T00:14:43.441Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2026-11-12T19:06:05.496Z"}, "affected": [{"defaultStatus": "affected", "vendor": "AMD", "product": "AMD EPYC\u2122 7003 Series Processors", "versions": [{"version": "MilanPI-SP3_1.0.0.J", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD EPYC\u2122 9004 Series Processors", "versions": [{"version": "GenoaPI_1.0.0.H", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD EPYC\u2122 Embedded 7003 Series Processors", "versions": [{"version": "EmbMilanPI-SP3 1.0.0.D", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD EPYC\u2122 Embedded 9004 Series Processors (formerly codenamed \"Genoa\")", "versions": [{"version": "EmbGenoaPI-SP5 1.0.0.D", "status": "unaffected"}]}], "datePublic": "2026-11-12T19:04:33.652Z", "descriptions": [{"lang": "en", "value": "Improper exception handling in IOMMU could allow an invalidate command to be sent to PCIe devices that do not support Address Translation Cache (ATC), potentially resulting in denial of service.", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Improper exception handling in IOMMU could allow an invalidate command to be sent to PCIe devices that do not support Address Translation Cache (ATC), potentially resulting in denial of service.<br>"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3052.html"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "AMD PSIRT Automation 1.0"}, "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "HIGH", "baseScore": 7, "baseSeverity": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-13T00:14:33.335747Z", "id": "CVE-2024-21954", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-13T00:14:43.441Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "AMD EPYC\u2122 7003 Series Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "MilanPI-SP3_1.0.0.J"}]}, {"defaultStatus": "affected", "product": "AMD EPYC\u2122 9004 Series Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "GenoaPI_1.0.0.H"}]}, {"defaultStatus": "affected", "product": "AMD EPYC\u2122 Embedded 7003 Series Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "EmbMilanPI-SP3 1.0.0.D"}]}, {"defaultStatus": "affected", "product": "AMD EPYC\u2122 Embedded 9004 Series Processors (formerly codenamed \"Genoa\")", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "EmbGenoaPI-SP5 1.0.0.D"}]}], "source": "psirt@amd.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper exception handling in IOMMU could allow an invalidate command to be sent to PCIe devices that do not support Address Translation Cache (ATC), potentially resulting in denial of service."}], "id": "CVE-2024-21954", "lastModified": "2026-11-13T02:18:46.810", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.0, "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:H/AT:P/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-2024-21954", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-13T00:14:33.335747Z", "version": "2.0.3"}}]}, "published": "2026-11-12T19:16:44.843", "references": [{"source": "psirt@amd.com", "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3052.html"}], "sourceIdentifier": "psirt@amd.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "psirt@amd.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "MilanPI-SP3_1.0.0.J"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "AMD EPYC\u2122 7003 Series Processors", "source": "cna", "vendor": "AMD"}, "product": "epyc_7003_series_processors", "vendor": "amd"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "GenoaPI_1.0.0.H"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "AMD EPYC\u2122 9004 Series Processors", "source": "cna", "vendor": "AMD"}, "product": "epyc_9004_series_processors", "vendor": "amd"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "EmbMilanPI-SP3 1.0.0.D"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "AMD EPYC\u2122 Embedded 7003 Series Processors", "source": "cna", "vendor": "AMD"}, "product": "epyc_embedded_7003_series_processors", "vendor": "amd"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "EmbGenoaPI-SP5 1.0.0.D"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "AMD EPYC\u2122 Embedded 9004 Series Processors (formerly codenamed \"Genoa\")", "source": "cna", "vendor": "AMD"}, "product": "epyc_embedded_9004_series_processors", "vendor": "amd"}], "created": "2026-11-12T23:30:10.625859+00:00", "title": "IOMMU Invalidate Command Denial of Service on AMD EPYC Processors", "updated": "2026-11-13T00:30:08.373876+00:00", "vendors": ["amd", "amd$PRODUCT$epyc_7003_series_processors", "amd$PRODUCT$epyc_9004_series_processors", "amd$PRODUCT$epyc_embedded_7003_series_processors", "amd$PRODUCT$epyc_embedded_9004_series_processors"]}