{"id":"CVE-2025-29940","aliases":["EUVD-2025-211297"],"status":"published","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.","severity":{"version":"4.0","score":5.9,"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","level":"medium","assessor":"cna","from":"cve"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-283"],"published":"2026-11-10T21:45:05Z","modified":"2026-11-10T21:45:05Z","products":[{"vendor":"amd","product":"amd epyc™ 9005 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 9005 series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html"}],"sources":{"cve":[{"id":"CVE-2025-29940","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.","status":"published","published":"2026-11-10T21:45:05.66Z","modified":"2026-11-10T21:45:05.66Z","cvss":[{"version":"4.0","score":5.9,"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","level":"medium","assessor":"cna"}],"cwes":["CWE-283"],"updated_at":"2026-11-10T22:48:49.825884Z"}],"euvd":[{"id":"EUVD-2025-211297","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.","status":"published","published":"2026-11-10T21:45:05Z","modified":"2026-11-10T21:45:05Z","cvss":[{"version":"4.0","score":5.9,"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","level":"medium"}],"updated_at":"2026-11-10T23:24:18.784503Z"}]}}