Improper Input Validation Affecting libvirt-daemon-driver-lxc package, versions <0:4.5.0-36.amzn2.2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-AMZN2-LIBVIRTDAEMONDRIVERLXC-1688621
  • published27 Sept 2021
  • disclosed19 Mar 2020

Introduced: 19 Mar 2020

CVE-2019-20485  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libvirt-daemon-driver-lxc to version 0:4.5.0-36.amzn2.2 or higher.
This issue was patched in ALAS2-2020-1557.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-lxc package and not the libvirt-daemon-driver-lxc package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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