Issued:
2018-06-19
Updated:
2018-06-19

RHSA-2018:1929 - Low: libvirt security update

Synopsis

Low: libvirt security update

Type/Severity

Security Advisory Low

Topic

An update for libvirt is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems.

Security Fix(es):

  • libvirt: Resource exhaustion via qemuMonitorIORead() method (CVE-2018-5748)

  • libvirt: Incomplete fix for CVE-2018-5748 triggered by QEMU guest agent (CVE-2018-1064)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

The CVE-2018-5748 issue was discovered by Daniel P. Berrange (Red Hat) and Peter Krempa (Red Hat), and the CVE-2018-1064 issue was discovered by Daniel P. Berrange (Red Hat).

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.10 Release Notes and Red Hat Enterprise Linux 6.10 Technical Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, libvirtd will be restarted automatically.

Affected Products

ProductVersionArch
Red Hat Gluster Storage Server for On-premise3x86_64
Red Hat Enterprise Linux for Scientific Computing6x86_64
Red Hat Enterprise Linux for Power, big endian6ppc64
Red Hat Enterprise Linux for IBM z Systems6s390x
Red Hat Enterprise Linux Workstation6x86_64
Red Hat Enterprise Linux Workstation6i386
Red Hat Enterprise Linux Server6x86_64
Red Hat Enterprise Linux Server6i386
Red Hat Enterprise Linux Server - Retired Extended Life Cycle Support6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support6i386
Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension6x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension6i386
Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems)6s390x
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)6s390x
Red Hat Enterprise Linux Desktop6x86_64
Red Hat Enterprise Linux Desktop6i386

Updated Packages

  • libvirt-0.10.2-64.el6.s390x.rpm
  • libvirt-client-0.10.2-64.el6.s390x.rpm
  • libvirt-client-0.10.2-64.el6.s390.rpm
  • libvirt-debuginfo-0.10.2-64.el6.ppc.rpm
  • libvirt-0.10.2-64.el6.i686.rpm
  • libvirt-client-0.10.2-64.el6.ppc64.rpm
  • libvirt-client-0.10.2-64.el6.i686.rpm
  • libvirt-0.10.2-64.el6.src.rpm
  • libvirt-devel-0.10.2-64.el6.ppc.rpm
  • libvirt-debuginfo-0.10.2-64.el6.ppc64.rpm
  • libvirt-debuginfo-0.10.2-64.el6.s390x.rpm
  • libvirt-devel-0.10.2-64.el6.s390x.rpm
  • libvirt-devel-0.10.2-64.el6.x86_64.rpm
  • libvirt-python-0.10.2-64.el6.ppc64.rpm
  • libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
  • libvirt-devel-0.10.2-64.el6.s390.rpm
  • libvirt-client-0.10.2-64.el6.x86_64.rpm
  • libvirt-0.10.2-64.el6.ppc64.rpm
  • libvirt-debuginfo-0.10.2-64.el6.s390.rpm
  • libvirt-python-0.10.2-64.el6.s390x.rpm
  • libvirt-devel-0.10.2-64.el6.ppc64.rpm
  • libvirt-python-0.10.2-64.el6.i686.rpm
  • libvirt-0.10.2-64.el6.x86_64.rpm
  • libvirt-devel-0.10.2-64.el6.i686.rpm
  • libvirt-lock-sanlock-0.10.2-64.el6.x86_64.rpm
  • libvirt-python-0.10.2-64.el6.x86_64.rpm
  • libvirt-client-0.10.2-64.el6.ppc.rpm
  • libvirt-debuginfo-0.10.2-64.el6.i686.rpm

Fixes

CVEs

References

Additional information