CVE-2020-14394

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    CVE-2020-14394

    Published: 17 Aug 2022Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

    References: https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/, https://bugzilla.redhat.com/show_bug.cgi?id=1908004, https://gitlab.com/qemu-project/qemu/-/issues/646

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v0.1.0
    v0.1.1
    v0.1.3
    v0.1.4
    v0.1.5
    v0.1.6

    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
    CVE-2020-14394 | CVE-DB