- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 202101-22
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: High
    Title: libvirt: Unintended access to /dev/mapper/control
     Date: January 26, 2021
     Bugs: #739948
       ID: 202101-22

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=======
A vulnerability in libvirt may allow root privilege escalation.

Background
=========
libvirt is a C toolkit for manipulating virtual machines.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulation/libvirt        < 6.7.0                    >= 6.7.0

Description
==========
A file descriptor for /dev/mapper/control was insufficiently protected.

Impact
=====
A local attacker may be able to escalate to root privileges.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All libvirt users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/libvirt-6.7.0"

References
=========
[ 1 ] CVE-2020-14339
      https://nvd.nist.gov/vuln/detail/CVE-2020-14339

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202101-22

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2021 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/