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Ubuntu: USN-5399-1 (CVE-2021-4147): libvirt vulnerabilities

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Ubuntu: USN-5399-1 (CVE-2021-4147): libvirt vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
01/04/2022
Created
05/05/2022
Added
05/03/2022
Modified
05/03/2022

Description

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.

Solution(s)

  • ubuntu-upgrade-libvirt-daemon
  • ubuntu-upgrade-libvirt-daemon-system
  • ubuntu-upgrade-libvirt0

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