CVE-2020-27661

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    CVE-2020-27661

    Published: 2 Jun 2021Last Modified: 15 Mar 2026

    Summary:

    Details: A divide-by-zero issue was found in dwc2_handle_packet in hw/usb/hcd-dwc2.c in the hcd-dwc2 USB host controller emulation of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

    References: https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03, https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1770368.html, https://security.netapp.com/advisory/ntap-20210720-0010/, https://bugzilla.redhat.com/show_bug.cgi?id=1890653, https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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-2020-27661 | CVE-DB