Resource Exhaustion Affecting virt:rhel/nbdkit-linuxdisk-plugin package, versions <0:1.16.2-4.module+el8.3.0+6922+fd575af8


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-3892039
  • 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/nbdkit-linuxdisk-plugin to version 0:1.16.2-4.module+el8.3.0+6922+fd575af8 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/nbdkit-linuxdisk-plugin package and not the virt:rhel/nbdkit-linuxdisk-plugin 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