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    CVE-2021-46795

    A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.

    Published:Jan 10, 2023
    Last Modified:Apr 9, 2025
    EPS:Jan 10, 2023
    EPSS Score:0.0004
    CVSS Score:4.7

    Affected Products

    Vendor
    Amd
    Product
    Cezannepi-fp6
    Vendor
    Amd
    Product
    Cezannepi-fp6 Firmware
    Vendor
    Amd
    Product
    Comboam4v2 Pi
    Vendor
    Amd
    Product
    Comboam4v2 Pi Firmware
    Vendor
    Amd
    Product
    Renoirpi-fp6 Firmware

    Exploits

    No exploit reference

    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