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    CVE-2023-28468

    An issue was discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel 5.0 through 5.5. The FvbServicesRuntimeDxe SMM module exposes an SMI handler that allows an attacker to interact with the SPI flash at run-time from the OS.

    Published:Aug 3, 2023
    Last Modified:Nov 21, 2024
    EPS:Aug 3, 2023
    EPSS Score:0.00043
    CVSS Score:6.5

    Affected Products

    Vendor
    Insyde
    Product
    Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2022-30771 (CVSS 8.2) — Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initi…
    CVE-2022-30772 (CVSS 8.2) — Manipulation of the input address in PnpSmm function 0x52 could be used by malware to overwrite SMRAM or OS ke…

    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