Improper Locking Affecting libvirt package, versions <7.10.0-2


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LIBVIRT-2323397
  • published22 Dec 2021
  • disclosed25 Mar 2022

Introduced: 22 Dec 2021

CVE-2021-4147  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Debian:unstable libvirt to version 7.10.0-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt package and not the libvirt package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition.

CVSS Scores

version 3.1