{"id":"CVE-2023-31351","aliases":["EUVD-2023-35662","GHSA-x676-jq8m-r576"],"status":"published","title":"Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access...","description":"Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00125,"percentile":0.02221,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2025-09-06T16:59:26Z","modified":"2026-06-17T05:56:50Z","products":[{"vendor":"amd","product":"amd epyc™ 7003 series processors"},{"vendor":"amd","product":"amd epyc™ 8004 series processors"},{"vendor":"amd","product":"amd epyc™ 9004 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 7003 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 9004 series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3014.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31351"},{"url":"https://github.com/advisories/GHSA-x676-jq8m-r576"}],"sources":{"cve":[{"id":"CVE-2023-31351","description":"Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.","status":"published","published":"2025-09-06T16:59:26.905Z","modified":"2025-09-08T20:03:47.167Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:35:27.810438Z"}],"euvd":[{"id":"EUVD-2023-35662","description":"Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.","status":"published","published":"2025-09-06T16:59:26Z","modified":"2025-09-08T20:03:47Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T20:31:46.000077Z"}],"ghsa":[{"id":"GHSA-x676-jq8m-r576","title":"Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access...","description":"Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.","status":"published","published":"2025-09-06T18:30:33Z","modified":"2025-09-06T18:30:39Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:03:31.573808Z"}],"nvd":[{"id":"CVE-2023-31351","description":"Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity.","status":"published","published":"2025-09-06T17:15:31.867Z","modified":"2026-06-17T05:56:50.25Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:09:21.774456Z"}]}}