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Ubuntu: USN-5399-1 (CVE-2021-3631): libvirt vulnerabilities

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Ubuntu: USN-5399-1 (CVE-2021-3631): libvirt vulnerabilities

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
07/27/2021
Created
05/05/2022
Added
05/03/2022
Modified
05/03/2022

Description

A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality and integrity.

Solution(s)

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

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