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    CVE-2022-4172

    An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.

    Published:Oct 19, 2022
    Last Modified:Apr 14, 2025
    EPS:Nov 29, 2022
    EPSS Score:0.00023
    CVSS Score:6.5

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://gitlab.com/qemu-project/qemu/-/issues/1268https://gitlab.com/qemu-project/qemu/-/issues/1268

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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