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    CVE-2024-21947

    Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.

    Published:Sep 6, 2025
    Last Modified:Apr 15, 2026
    EPS:Sep 6, 2025
    EPSS Score:0.00014
    CVSS Score:7.5

    Affected Products

    Vendor
    Amd
    Product
    Athlon
    Vendor
    Amd
    Product
    Athlon 3000
    Vendor
    Amd
    Product
    Ryzen
    Vendor
    Amd
    Product
    Ryzen 3000
    Vendor
    Amd
    Product
    Ryzen 4000
    Vendor
    Amd
    Product
    Ryzen 5000
    Vendor
    Amd
    Product
    Ryzen 6000
    Vendor
    Amd
    Product
    Ryzen 7000

    Exploits

    No exploit reference

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High