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    CVE-2023-22614

    An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.

    Published:Apr 11, 2023
    Last Modified:Feb 11, 2025
    EPS:Apr 11, 2023
    EPSS Score:0.00145
    CVSS Score:8.8

    Affected Products

    Vendor
    Insyde
    Product
    Insydeh2o

    Exploits

    https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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