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


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-DEBIAN13-QEMU-5694144
  • published23 Oct 2020
  • disclosed2 Jun 2021

Introduced: 23 Oct 2020

CVE-2020-27661  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Debian:13 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:13 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.

CVSS Scores

version 3.1