Rapid7 Vulnerability & Exploit Database

Gentoo Linux: CVE-2021-3631: libvirt: Multiple Vulnerabilities

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Gentoo Linux: CVE-2021-3631: libvirt: Multiple Vulnerabilities

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
03/02/2022
Created
10/18/2022
Added
10/17/2022
Modified
10/17/2022

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)

  • gentoo-linux-upgrade-app-emulation-libvirt
  • gentoo-linux-upgrade-dev-python-libvirt-python

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;