{"id":"CVE-2023-20582","aliases":["EUVD-2023-24761","GHSA-7vx3-5mq4-mccg"],"status":"published","title":"Improper handling of invalid nested page table entries in the IOMMU may allow a privileged...","description":"Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory 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":0.00172,"percentile":0.06697,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1284"],"published":"2025-02-11T21:35:15Z","modified":"2026-06-17T05:30:21Z","products":[{"vendor":"amd","product":"amd epyc™ 9004 processors"},{"vendor":"amd","product":"amd epyc™ embedded 9004"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20582"},{"url":"https://github.com/advisories/GHSA-7vx3-5mq4-mccg"}],"sources":{"cve":[{"id":"CVE-2023-20582","description":"Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.","status":"published","published":"2025-02-11T21:35:15.949Z","modified":"2025-02-12T15:56:22.786Z","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-1284"],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-24761","description":"Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.","status":"published","published":"2025-02-11T21:35:15Z","modified":"2025-02-12T15:56:22Z","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":"2026-11-03T00:03:58.326443Z"}],"ghsa":[{"id":"GHSA-7vx3-5mq4-mccg","title":"Improper handling of invalid nested page table entries in the IOMMU may allow a privileged...","description":"Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.","status":"published","published":"2025-02-12T00:32:16Z","modified":"2025-02-12T00:32:25Z","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"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:59:53.753427Z"}],"nvd":[{"id":"CVE-2023-20582","description":"Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.","status":"published","published":"2025-02-11T22:15:26.347Z","modified":"2026-06-17T05:30:21.66Z","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-1284"],"updated_at":"2026-11-02T14:09:20.080574Z"}]}}