{"affected":[{"defaultStatus":"affected","product":"AMD EPYC™ 9005 Series Processors","source":"CNA: AMD","vendor":"AMD","versions":[{"status":"unaffected","version":"TurinPI_1.0.0.A"}]},{"defaultStatus":"affected","product":"AMD EPYC™ Embedded 9005 Series Processors","source":"CNA: AMD","vendor":"AMD","versions":[{"status":"unaffected","version":"EmbeddedTurinPI_SP5_1004"}]}],"cveId":"CVE-2025-29940","cwes":["CWE-283"],"description":"Unverified ownership in Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker with access to a malicious hypervisor to overwrite guest memory if segmented Reverse Map Table (RMP) is enabled potentially resulting in loss of guest data integrity.","epss":{"date":"2026-11-12","percentile":0.04413,"score":0.00152},"exploits":[],"kev":null,"metrics":[{"score":5.9,"severity":"medium","source":"CNA: AMD","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N","version":"4.0"},{"score":5.9,"severity":"medium","source":"NVD: psirt@amd.com","vector":"CVSS:4.0/AV:L/AC:L/AT:N/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","version":"4.0"}],"modifiedAt":1794611400153,"publishedAt":1794347105660,"references":[{"source":"CNA: AMD","tags":[],"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html"},{"source":"psirt@amd.com","tags":[],"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html"}],"remediation":[],"revision":"682613269d96a85597c162dca0db142b4b6717593ee04b21372f016bab68332a","sources":[{"modifiedAt":1794527112190,"name":"CNA: AMD","retrievedAt":1794528503457,"url":"https://www.cve.org/CVERecord?id=CVE-2025-29940"},{"modifiedAt":1794611400153,"name":"NVD","retrievedAt":1794615417230,"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29940"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794528530533,"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-29940"}],"ssvc":{"assessedAt":1794527054087,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2025-29940","updatedAt":1794615417230}