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    CVE-2020-14394

    An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.

    Published:Dec 15, 2020
    Last Modified:Nov 21, 2024
    EPS:Aug 17, 2022
    EPSS Score:0.00008
    CVSS Score:3.2

    Affected Products

    Vendor
    Fedoraproject
    Product
    Extra Packages For Enterprise Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openstack Platform

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=1908004https://gitlab.com/qemu-project/qemu/-/issues/646https://bugzilla.redhat.com/show_bug.cgi?id=1908004https://gitlab.com/qemu-project/qemu/-/issues/646

    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