{"id":"CVE-2025-62620","aliases":["EUVD-2025-211290","GHSA-4wg6-g37h-r6r6"],"status":"published","title":"Improper validation of unsafe equivalence in input could allow an attacker with high privileges...","description":"Improper validation of unsafe equivalence in input could allow an attacker with high privileges to reclaim the ring buffer queue status page, potentially resulting in loss of guest memory 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-1289"],"published":"2026-11-10T21:43:31.443Z","modified":"2026-11-11T00:32:24Z","products":[{"vendor":"amd","product":"amd epyc™ 7003 series processors"},{"vendor":"amd","product":"amd epyc™ 8004 series processors"},{"vendor":"amd","product":"amd epyc™ 9004 series processors"},{"vendor":"amd","product":"amd epyc™ 9005 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 7003 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 8004 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 9004  series processors (formerly codenamed \"genoa\")"},{"vendor":"amd","product":"amd epyc™ embedded 9004 series processors (formerly codenamed \"bergamo\")"},{"vendor":"amd","product":"amd epyc™ embedded 9005 series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62620"},{"url":"https://github.com/advisories/GHSA-4wg6-g37h-r6r6"}],"sources":{"cve":[{"id":"CVE-2025-62620","description":"Improper validation of unsafe equivalence in input could allow an attacker with high privileges to reclaim the ring buffer queue status page, potentially resulting in loss of guest memory integrity.","status":"published","published":"2026-11-10T21:43:31.443Z","modified":"2026-11-10T21:43:31.443Z","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-1289"],"updated_at":"2026-11-10T22:48:49.825884Z"}],"euvd":[{"id":"EUVD-2025-211290","description":"Improper validation of unsafe equivalence in input could allow an attacker with high privileges to reclaim the ring buffer queue status page, potentially resulting in loss of guest memory integrity.","status":"published","published":"2026-11-11T00:32:24Z","modified":"2026-11-11T00:32:24Z","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":"2026-11-11T01:26:05.275621Z"}],"ghsa":[{"id":"GHSA-4wg6-g37h-r6r6","title":"Improper validation of unsafe equivalence in input could allow an attacker with high privileges...","description":"Improper validation of unsafe equivalence in input could allow an attacker with high privileges to reclaim the ring buffer queue status page, potentially resulting in loss of guest memory integrity.","status":"published","published":"2026-11-11T00:32:24Z","modified":"2026-11-11T00:32:24Z","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/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","level":"medium"}],"cwes":["CWE-1289"],"updated_at":"2026-11-11T01:00:11.587585Z"}],"nvd":[{"id":"CVE-2025-62620","description":"Improper validation of unsafe equivalence in input could allow an attacker with high privileges to reclaim the ring buffer queue status page, potentially resulting in loss of guest memory integrity.","status":"published","published":"2026-11-10T22:17:46.99Z","modified":"2026-11-10T22:17:46.99Z","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/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-1289"],"updated_at":"2026-11-11T00:21:54.825455Z"}]}}