{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0455", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2025-12-06T13:53:59.710Z", "datePublished": "2026-11-12T19:34:35.382Z", "dateUpdated": "2026-11-12T19:34:35.382Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2026-11-12T19:34:35.382Z"}, "affected": [{"defaultStatus": "affected", "vendor": "AMD", "product": "Versal\u2122 AI Edge Series Gen 2 Adaptive SoCs", "versions": [{"version": "2026.1", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "Versal\u2122 Prime Series Gen 2 Adaptive SoCs (2VM3358, 2VM3558, and 2VM3858 only)", "versions": [{"version": "2026.1", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "VivadoTM Advanced Configuration Editor for Versal\u2122 AI Edge Series Gen 2", "versions": [{"version": "2026.1", "status": "unaffected"}]}], "datePublic": "2026-11-12T19:34:23.108Z", "descriptions": [{"lang": "en", "value": "The Versal\u2122 AI Edge Series Gen 2 Peripheral Protection Unit (XPPU) for the inter-processor interrupt (IPI) buffers does not block unauthorized access as expected. This allows processors in the SoC with any IPI channel access the ability to both read and write to the entire IPI buffer register space as well as the IPI no-buffer register control space.", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The Versal\u2122 AI Edge Series Gen 2 Peripheral Protection Unit (XPPU) for the inter-processor interrupt (IPI) buffers does not block unauthorized access as expected. This allows processors in the SoC with any IPI channel access the ability to both read and write to the entire IPI buffer register space as well as the IPI no-buffer register control space.<br>"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1220", "description": "CWE-1220 Insufficient Granularity of Access Control", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-8027.html"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "AMD PSIRT Automation 1.0"}, "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}]}}}

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{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "Versal\u2122 AI Edge Series Gen 2 Adaptive SoCs", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "2026.1"}]}, {"defaultStatus": "affected", "product": "Versal\u2122 Prime Series Gen 2 Adaptive SoCs (2VM3358, 2VM3558, and 2VM3858 only)", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "2026.1"}]}, {"defaultStatus": "affected", "product": "VivadoTM Advanced Configuration Editor for Versal\u2122 AI Edge Series Gen 2", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "2026.1"}]}], "source": "psirt@amd.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Versal\u2122 AI Edge Series Gen 2 Peripheral Protection Unit (XPPU) for the inter-processor interrupt (IPI) buffers does not block unauthorized access as expected. This allows processors in the SoC with any IPI channel access the ability to both read and write to the entire IPI buffer register space as well as the IPI no-buffer register control space."}], "id": "CVE-2026-0455", "lastModified": "2026-11-12T22:18:35.610", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.9, "baseSeverity": "MEDIUM", "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": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:L/SI:L/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": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "psirt@amd.com", "type": "Secondary"}]}, "published": "2026-11-12T20:18:14.237", "references": [{"source": "psirt@amd.com", "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-8027.html"}], "sourceIdentifier": "psirt@amd.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1220"}], "source": "psirt@amd.com", "type": "Secondary"}]}

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