{"id":"CVE-2025-29939","state":"PUBLISHED","title":"Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initiali","description":"Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and integrity.","publishedAt":"2026-02-10T19:11:59.059Z","updatedAt":"2026-02-10T20:59:47.124Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N","source":"AMD"},"assigner":"AMD","products":["AMD AMD EPYC™ 9004 Series Processors","AMD AMD EPYC™ 7003 Series Processors","AMD AMD EPYC™ 9005 Series Processors","AMD AMD EPYC™ 8004 Series Processors","AMD AMD EPYC™ Embedded 7003 Series Processors","AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Genoa\")","AMD AMD EPYC™ Embedded 9005 Series Processors","AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Bergamo\")","AMD AMD EPYC™ Embedded 8004 Series Processors"],"affected":[{"vendor":"AMD","product":"AMD EPYC™ 9004 Series Processors","defaultStatus":"affected","versions":[{"version":"GenoaPI 1.0.0.G","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ 7003 Series Processors","defaultStatus":"affected","versions":[{"version":"MilanPI 1.0.0.H","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ 9005 Series Processors","defaultStatus":"affected","versions":[{"version":"TurinPI 1.0.0.6","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ 8004 Series Processors","defaultStatus":"affected","versions":[{"version":"GenoaPI 1.0.0.G","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 7003 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbMilanPI-SP3 v9 1.0.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Genoa\")","defaultStatus":"affected","versions":[{"version":"EmbGenoaPI-SP5 1.0.0.B","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 9005 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbTurinPI-SP5_1.0.0.1","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Bergamo\")","defaultStatus":"affected","versions":[{"version":"EmbGenoaPI-SP5 1.0.0.B","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 8004 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbGenoaPI-SP5 1.0.0.B","status":"unaffected"}]}],"references":["https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/29xxx/CVE-2025-29939.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-29939","state":"PUBLISHED","datePublished":"2026-02-10T19:11:59.059Z","dateUpdated":"2026-02-10T20:59:47.124Z","assignerShortName":"AMD","assignerOrgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateReserved":"2025-03-12T15:14:59.391Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and integrity."}],"affected":[{"vendor":"AMD","product":"AMD EPYC™ 9004 Series Processors","defaultStatus":"affected","versions":[{"version":"GenoaPI 1.0.0.G","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ 7003 Series Processors","defaultStatus":"affected","versions":[{"version":"MilanPI 1.0.0.H","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ 9005 Series Processors","defaultStatus":"affected","versions":[{"version":"TurinPI 1.0.0.6","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ 8004 Series Processors","defaultStatus":"affected","versions":[{"version":"GenoaPI 1.0.0.G","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 7003 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbMilanPI-SP3 v9 1.0.0.C","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Genoa\")","defaultStatus":"affected","versions":[{"version":"EmbGenoaPI-SP5 1.0.0.B","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 9005 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbTurinPI-SP5_1.0.0.1","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Bergamo\")","defaultStatus":"affected","versions":[{"version":"EmbGenoaPI-SP5 1.0.0.B","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 8004 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbGenoaPI-SP5 1.0.0.B","status":"unaffected"}]}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html"}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","description":"CWE-284  Improper Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"AMD","orgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateUpdated":"2026-02-10T19:11:59.059Z"},"datePublic":"2026-02-10T19:05:53.427Z","source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"AMD PSIRT Automation 1.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-10T20:58:44.995177Z","id":"CVE-2025-29939","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-10T20:59:47.124Z"}}]}}}