Resource Exhaustion Affecting virt:rhel/libvirt-daemon-config-network package, versions <0:6.0.0-28.module+el8.3.0+7827+5e65edd7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-3872962
  • published26 Jul 2021
  • disclosed5 Dec 2019

Introduced: 5 Dec 2019

CVE-2019-20485  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:rhel/libvirt-daemon-config-network to version 0:6.0.0-28.module+el8.3.0+7827+5e65edd7 or higher.
This issue was patched in RHSA-2020:4676.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/libvirt-daemon-config-network package and not the virt:rhel/libvirt-daemon-config-network package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).

CVSS Scores

version 3.1