Divide By Zero Affecting libvirt-daemon-driver-nwfilter package, versions <0:5.7.0-31.module+el8.4.0+20319+6eb4347c


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE8-LIBVIRTDAEMONDRIVERNWFILTER-2600978
  • published10 Apr 2022
  • disclosed2 Jun 2021

Introduced: 2 Jun 2021

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

How to fix?

Upgrade Oracle:8 libvirt-daemon-driver-nwfilter to version 0:5.7.0-31.module+el8.4.0+20319+6eb4347c or higher.
This issue was patched in ELSA-2021-9568.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-nwfilter package and not the libvirt-daemon-driver-nwfilter package as distributed by Oracle. See How to fix? for Oracle:8 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