{"id":"CVE-2024-36343","state":"PUBLISHED","title":"Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section","description":"Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.","publishedAt":"2026-05-19T21:03:09.395Z","updatedAt":"2026-05-20T13:46:23.737Z","severity":{"score":4.6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","source":"AMD"},"assigner":"AMD","products":["AMD AMD EPYC™ 4004","AMD AMD EPYC™ 4005","AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics","AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics","AMD AMD Ryzen™ 7045 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