Alerts This Week
Warning Icon 1 646
Alerts This Week
Warning Icon 1 646

Red Hat Enterprise Linux 6 RHSA-2018:1929-01 Low: Libvirt Security Fix

Calendar Jun 19, 2018 • User Avatar LinuxSecurity Advisories
4 - 8 min read
Redhat Large Esm H500
Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Linux CVE fix low severity libvirt resource exhaustion
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 
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================                   Red Hat Security Advisory

Synopsis:          Low: libvirt security update
Advisory ID:       RHSA-2018:1929-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1929
Issue date:        2018-06-19
CVE Names:         CVE-2018-1064 CVE-2018-5748 
====================================================================
1. Summary:

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

3. 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.

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

1528396 - CVE-2018-5748 libvirt: Resource exhaustion via qemuMonitorIORead() method
1550672 - CVE-2018-1064 libvirt: Incomplete fix for CVE-2018-5748 triggered by QEMU guest agent

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
libvirt-0.10.2-64.el6.src.rpm

i386:
libvirt-0.10.2-64.el6.i686.rpm
libvirt-client-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-python-0.10.2-64.el6.i686.rpm

x86_64:
libvirt-0.10.2-64.el6.x86_64.rpm
libvirt-client-0.10.2-64.el6.i686.rpm
libvirt-client-0.10.2-64.el6.x86_64.rpm
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
libvirt-python-0.10.2-64.el6.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-devel-0.10.2-64.el6.i686.rpm

x86_64:
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
libvirt-devel-0.10.2-64.el6.i686.rpm
libvirt-devel-0.10.2-64.el6.x86_64.rpm
libvirt-lock-sanlock-0.10.2-64.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
libvirt-0.10.2-64.el6.src.rpm

x86_64:
libvirt-0.10.2-64.el6.x86_64.rpm
libvirt-client-0.10.2-64.el6.i686.rpm
libvirt-client-0.10.2-64.el6.x86_64.rpm
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
libvirt-python-0.10.2-64.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

x86_64:
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
libvirt-devel-0.10.2-64.el6.i686.rpm
libvirt-devel-0.10.2-64.el6.x86_64.rpm
libvirt-lock-sanlock-0.10.2-64.el6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
libvirt-0.10.2-64.el6.src.rpm

i386:
libvirt-0.10.2-64.el6.i686.rpm
libvirt-client-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-devel-0.10.2-64.el6.i686.rpm
libvirt-python-0.10.2-64.el6.i686.rpm

ppc64:
libvirt-0.10.2-64.el6.ppc64.rpm
libvirt-client-0.10.2-64.el6.ppc.rpm
libvirt-client-0.10.2-64.el6.ppc64.rpm
libvirt-debuginfo-0.10.2-64.el6.ppc.rpm
libvirt-debuginfo-0.10.2-64.el6.ppc64.rpm
libvirt-devel-0.10.2-64.el6.ppc.rpm
libvirt-devel-0.10.2-64.el6.ppc64.rpm
libvirt-python-0.10.2-64.el6.ppc64.rpm

s390x:
libvirt-0.10.2-64.el6.s390x.rpm
libvirt-client-0.10.2-64.el6.s390.rpm
libvirt-client-0.10.2-64.el6.s390x.rpm
libvirt-debuginfo-0.10.2-64.el6.s390.rpm
libvirt-debuginfo-0.10.2-64.el6.s390x.rpm
libvirt-devel-0.10.2-64.el6.s390.rpm
libvirt-devel-0.10.2-64.el6.s390x.rpm
libvirt-python-0.10.2-64.el6.s390x.rpm

x86_64:
libvirt-0.10.2-64.el6.x86_64.rpm
libvirt-client-0.10.2-64.el6.i686.rpm
libvirt-client-0.10.2-64.el6.x86_64.rpm
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
libvirt-devel-0.10.2-64.el6.i686.rpm
libvirt-devel-0.10.2-64.el6.x86_64.rpm
libvirt-python-0.10.2-64.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

x86_64:
libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
libvirt-lock-sanlock-0.10.2-64.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
libvirt-0.10.2-64.el6.src.rpm

i386:
libvirt-0.10.2-64.el6.i686.rpm
libvirt-client-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-devel-0.10.2-64.el6.i686.rpm
libvirt-python-0.10.2-64.el6.i686.rpm

x86_64:
libvirt-0.10.2-64.el6.x86_64.rpm
libvirt-client-0.10.2-64.el6.i686.rpm
libvirt-client-0.10.2-64.el6.x86_64.rpm
libvirt-debuginfo-0.10.2-64.el6.i686.rpm
libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
libvirt-devel-0.10.2-64.el6.i686.rpm
libvirt-devel-0.10.2-64.el6.x86_64.rpm
libvirt-python-0.10.2-64.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

x86_64:
libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm
libvirt-lock-sanlock-0.10.2-64.el6.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key

7. References:

https://access.redhat.com/security/cve/CVE-2018-1064
https://access.redhat.com/security/cve/CVE-2018-5748
https://access.redhat.com/security/updates/classification#low
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.10_release_notes/index.html
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.10_technical_notes/index.html

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact

Copyright 2018 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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NF15
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
This email address is being protected from spambots. You need JavaScript enabled to view it.

Red Hat Enterprise Linux 6 RHSA-2018:1929-01 Low: Libvirt Security Fix

red hat
Calendar Grey June 19, 2018
Dist Redhat Esm H88
Explore the specifics surrounding the recent libvirt patch from Red Hat which focuses on mitigating minor security vulnerabilities relevant to corporate clients.
An update for libvirt is now available for Red Hat Enterprise Linux 6

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Linux CVE fix low severity libvirt resource exhaustion

References

https://access.redhat.com/security/cve/CVE-2018-1064 https://access.redhat.com/security/cve/CVE-2018-5748 https://access.redhat.com/security/updates/classification#low https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.10_release_notes/index.html https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.10_technical_notes/index.html

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: libvirt-0.10.2-64.el6.src.rpm
i386: libvirt-0.10.2-64.el6.i686.rpm libvirt-client-0.10.2-64.el6.i686.rpm libvirt-debuginfo-0.10.2-64.el6.i686.rpm libvirt-python-0.10.2-64.el6.i686.rpm
x86_64: libvirt-0.10.2-64.el6.x86_64.rpm libvirt-client-0.10.2-64.el6.i686.rpm libvirt-client-0.10.2-64.el6.x86_64.rpm libvirt-debuginfo-0.10.2-64.el6.i686.rpm libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm libvirt-python-0.10.2-64.el6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: libvirt-debuginfo-0.10.2-64.el6.i686.rpm libvirt-devel-0.10.2-64.el6.i686.rpm
x86_64: libvirt-debuginfo-0.10.2-64.el6.i686.rpm libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm libvirt-devel-0.10.2-64.el6.i686.rpm libvirt-devel-0.10.2-64.el6.x86_64.rpm libvirt-lock-sanlock-0.10.2-64.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: libvirt-0.10.2-64.el6.src.rpm
x86_64: libvirt-0.10.2-64.el6.x86_64.rpm libvirt-client-0.10.2-64.el6.i686.rpm libvirt-client-0.10.2-64.el6.x86_64.rpm libvirt-debuginfo-0.10.2-64.el6.i686.rpm libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm libvirt-python-0.10.2-64.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64: libvirt-debuginfo-0.10.2-64.el6.i686.rpm libvirt-debuginfo-0.10.2-64.el6.x86_64.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:1929-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1929
Issue date: 2018-06-19

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 impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Linux CVE fix low severity libvirt resource exhaustion

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

Bugs Fixed

1528396 - CVE-2018-5748 libvirt: Resource exhaustion via qemuMonitorIORead() method

1550672 - CVE-2018-1064 libvirt: Incomplete fix for CVE-2018-5748 triggered by QEMU guest agent

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here