{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-0040", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2024-11-21T16:18:07.633Z", "datePublished": "2026-05-15T02:09:35.182Z", "dateUpdated": "2026-05-15T02:09:35.182Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2026-05-15T02:09:35.182Z"}, "affected": [{"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 7040 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "PhoenixPI-FP8-FP7_1.2.0.B", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 8000 Series Desktop Processors", "versions": [{"version": "ComboAM5PI 1.2.0.3d", "status": "unaffected"}, {"version": "ComboAM5PI 1.1.0.3d", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 8040 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "PhoenixPI-FP8-FP7_1.2.0.B", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded 8000 Series Processors", "versions": [{"version": "EmbeddedPhoenixPI-FP7r2_1.0.0.2", "status": "unaffected"}]}], "datePublic": "2026-05-15T02:00:58.862Z", "descriptions": [{"lang": "en", "value": "Improper access control between the Joint Test Action Group (JTAG) and Advanced Extensible Interface (AXI) could allow an attacker with physical access to read or overwrite the contents of cross-chip debug (XCD) registers potentially resulting in loss of data integrity or confidentiality.", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Improper access control between the Joint Test Action Group (JTAG) and Advanced Extensible Interface (AXI) could allow an attacker with physical access to read or overwrite the contents of cross-chip debug (XCD) registers potentially resulting in loss of data integrity or confidentiality.<br>"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html"}, {"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "AMD PSIRT Automation 1.0"}, "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "PHYSICAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper access control between the Joint Test Action Group (JTAG) and Advanced Extensible Interface (AXI) could allow an attacker with physical access to read or overwrite the contents of cross-chip debug (XCD) registers potentially resulting in loss of data integrity or confidentiality."}], "id": "CVE-2025-0040", "lastModified": "2026-05-15T03:16:21.210", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "PHYSICAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "psirt@amd.com", "type": "Secondary"}]}, "published": "2026-05-15T03:16:21.210", "references": [{"source": "psirt@amd.com", "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html"}, {"source": "psirt@amd.com", "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html"}], "sourceIdentifier": "psirt@amd.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@amd.com", "type": "Secondary"}]}

{}

{"created": "2026-05-15T04:30:36.580627+00:00", "title": "Physical Access Enables Reading and Writing of Debug Registers on AMD Ryzen Processors", "updated": "2026-05-15T04:30:36.580637+00:00", "vendors": []}