{"id":"CVE-2023-20584","state":"PUBLISHED","title":"IOMMU improperly handles certain special address","description":"IOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised Hypervisor to\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity.","publishedAt":"2024-08-13T16:53:18.373Z","updatedAt":"2024-11-05T21:40:37.392Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","source":"AMD"},"assigner":"AMD","products":["AMD AMD EPYC™ 7003 Processors","AMD AMD EPYC™ 9004 Processors"],"affected":[{"vendor":"AMD","product":"AMD EPYC™ 7003 Processors","defaultStatus":"affected","versions":[{"version":"MilanPI 1.0.0.C","status":"unaffected","versionType":"PI"}]},{"vendor":"AMD","product":"AMD EPYC™ 9004 Processors","defaultStatus":"affected","versions":[{"version":"GenoaPI 1.0.0.B","status":"unaffected"}]}],"references":["https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/20xxx/CVE-2023-20584.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-20584","state":"PUBLISHED","datePublished":"2024-08-13T16:53:18.373Z","dateUpdated":"2024-11-05T21:40:37.392Z","assignerShortName":"AMD","assignerOrgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateReserved":"2022-10-27T18:53:39.759Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"IOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised Hypervisor to\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity."}],"affected":[{"vendor":"AMD","product":"AMD EPYC™ 7003 Processors","defaultStatus":"affected","versions":[{"version":"MilanPI 1.0.0.C","status":"unaffected","versionType":"PI"}]},{"vendor":"AMD","product":"AMD EPYC™ 9004 Processors","defaultStatus":"affected","versions":[{"version":"GenoaPI 1.0.0.B","status":"unaffected"}]}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"shortName":"AMD","orgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateUpdated":"2024-08-13T16:53:18.373Z"},"datePublic":"2024-08-13T16:00:00.000Z","source":{"advisory":"AMD-SB-4002, AMD-SB-3002, AMD-SB-5001","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-13T17:31:27.946120Z","id":"CVE-2023-20584","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-05T21:40:37.392Z"}}]}}}