Divide By Zero Affecting qemu package, versions <1:5.2+dfsg-1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Availability High

    Threat Intelligence

    EPSS 0.05% (13th percentile)
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NVD
6.5 medium
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Red Hat
3.8 low

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  • Snyk ID SNYK-DEBIAN12-QEMU-1558333
  • published 23 Oct 2020
  • disclosed 2 Jun 2021

How to fix?

Upgrade Debian:12 qemu to version 1:5.2+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.