{"id":"CVE-2024-21977","state":"PUBLISHED","title":"Incomplete cleanup after loading a CPU microcode patch may allow a privileged attacker to degrade the entropy of the RDRAND instruction, potentially resulting in loss of integrity ","description":"Incomplete cleanup after loading a CPU microcode patch may allow a privileged attacker to degrade the entropy of the RDRAND instruction, potentially resulting in loss of integrity for SEV-SNP guests.","publishedAt":"2025-09-05T12:58:39.312Z","updatedAt":"2025-09-05T13:35:08.152Z","severity":{"score":3.2,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N","source":"AMD"},"assigner":"AMD","products":["AMD AMD EPYC™ 7003 Series Processors","AMD AMD EPYC™ 9004 Series Processors","AMD AMD EPYC™ 8004 Series Processors","AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors","AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics","AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics","AMD 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