{"id":"CVE-2025-54509","aliases":["EUVD-2025-210086","GHSA-gchr-732q-fg34"],"status":"published","title":"Improper access control for register interface in the input-output memory management unit (IOMMU)...","description":"Improper access control for register interface in the Input-Output Memory Management Unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD Secure Processor (ASP), potentially resulting in loss of integrity.","severity":{"version":"4.0","score":4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00128,"percentile":0.02466,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1262"],"published":"2026-06-09T17:22:26Z","modified":"2026-07-23T20:17:04Z","products":[{"vendor":"amd","product":"amd epyc™ 8004 series processors"},{"vendor":"amd","product":"amd epyc™ 9004 series processors"},{"vendor":"amd","product":"amd epyc™ 9005 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 8004 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 9004 series processors (formerly codenamed \"bergamo\")"},{"vendor":"amd","product":"amd epyc™ embedded 9004 series processors (formerly codenamed \"genoa\")"},{"vendor":"amd","product":"amd epyc™ embedded 9005 series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3039.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54509"},{"url":"https://github.com/advisories/GHSA-gchr-732q-fg34"}],"sources":{"cve":[{"id":"CVE-2025-54509","description":"Improper access control for register interface in the Input-Output Memory Management Unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD Secure Processor (ASP), potentially resulting in loss of integrity.","status":"published","published":"2026-06-09T17:22:26.026Z","modified":"2026-07-23T19:20:37.716Z","cvss":[{"version":"4.0","score":4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1262"],"updated_at":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-210086","description":"Improper access control for register interface in the Input-Output Memory Management Unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD Secure Processor (ASP), potentially resulting in loss of integrity.","status":"published","published":"2026-06-09T17:22:26Z","modified":"2026-07-23T19:20:37Z","cvss":[{"version":"4.0","score":4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:19:41.632414Z"}],"ghsa":[{"id":"GHSA-gchr-732q-fg34","title":"Improper access control for register interface in the input-output memory management unit (IOMMU)...","description":"Improper access control for register interface in the input-output memory management unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD secure processor (ASP) potentially resulting in loss of integrity.","status":"published","published":"2026-06-09T18:31:02Z","modified":"2026-06-09T18:31:12Z","cvss":[{"version":"4.0","score":4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/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","level":"medium"}],"cwes":["CWE-1262"],"updated_at":"2026-11-02T15:08:42.712998Z"}],"nvd":[{"id":"CVE-2025-54509","description":"Improper access control for register interface in the Input-Output Memory Management Unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD Secure Processor (ASP), potentially resulting in loss of integrity.","status":"published","published":"2026-06-09T18:16:32.58Z","modified":"2026-07-23T20:17:04.97Z","cvss":[{"version":"4.0","score":4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-1262"],"updated_at":"2026-11-02T14:12:02.535029Z"}]}}