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Linux Compatible » News » March 2011 » RHSA-2011:0391-01: Important: libvirt security update

RHSA-2011:0391-01: Important: libvirt security update

Posted by Philipp Esselbach on: 03/29/2011 07:13 AM [ Print | 0 comment(s) ]

A libvirt security update has been released for RHEL 5 and 6




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

Synopsis: Important: libvirt security update
Advisory ID: RHSA-2011:0391-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-0391.html
Issue date: 2011-03-28
CVE Names: CVE-2011-1146
=====================================================================

1. Summary:

Updated libvirt packages that fix one security issue are now available for
Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

2. Relevant releases/architectures:

RHEL Desktop Multi OS (v. 5 client) - i386, x86_64
RHEL Virtualization (v. 5 server) - i386, ia64, x86_64
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 Workstation (v. 6) - i386, x86_64

3. Description:

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

It was found that several libvirt API calls did not honor the read-only
permission for connections. A local attacker able to establish a read-only
connection to libvirtd on a server could use this flaw to execute commands
that should be restricted to read-write connections, possibly leading to a
denial of service or privilege escalation. (CVE-2011-1146)

Note: Previously, using rpmbuild without the '--define "rhel 5"' option to
build the libvirt source RPM on Red Hat Enterprise Linux 5 failed with a
"Failed build dependencies" error for the device-mapper-devel package, as
this -devel sub-package is not available on Red Hat Enterprise Linux 5.
With this update, the -devel sub-package is no longer checked by default as
a dependency when building on Red Hat Enterprise Linux 5, allowing the
libvirt source RPM to build as expected.

All libvirt users are advised to upgrade to these updated packages, which
contain a backported patch to resolve this issue. After installing the
updated packages, libvirtd must be restarted ("service libvirtd restart")
for this update to take effect.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

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

683650 - CVE-2011-1146 libvirt: several API calls do not honour read-only connection

6. Package List:

RHEL Desktop Multi OS (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libvirt-0.8.2-15.el5_6.3.src.rpm

i386:
libvirt-0.8.2-15.el5_6.3.i386.rpm
libvirt-debuginfo-0.8.2-15.el5_6.3.i386.rpm
libvirt-devel-0.8.2-15.el5_6.3.i386.rpm
libvirt-python-0.8.2-15.el5_6.3.i386.rpm

x86_64:
libvirt-0.8.2-15.el5_6.3.i386.rpm
libvirt-0.8.2-15.el5_6.3.x86_64.rpm
libvirt-debuginfo-0.8.2-15.el5_6.3.i386.rpm
libvirt-debuginfo-0.8.2-15.el5_6.3.x86_64.rpm
libvirt-devel-0.8.2-15.el5_6.3.i386.rpm
libvirt-devel-0.8.2-15.el5_6.3.x86_64.rpm
libvirt-python-0.8.2-15.el5_6.3.x86_64.rpm

RHEL Virtualization (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/libvirt-0.8.2-15.el5_6.3.src.rpm

i386:
libvirt-0.8.2-15.el5_6.3.i386.rpm
libvirt-debuginfo-0.8.2-15.el5_6.3.i386.rpm
libvirt-devel-0.8.2-15.el5_6.3.i386.rpm
libvirt-python-0.8.2-15.el5_6.3.i386.rpm

ia64:
libvirt-0.8.2-15.el5_6.3.ia64.rpm
libvirt-debuginfo-0.8.2-15.el5_6.3.ia64.rpm
libvirt-devel-0.8.2-15.el5_6.3.ia64.rpm
libvirt-python-0.8.2-15.el5_6.3.ia64.rpm

x86_64:
libvirt-0.8.2-15.el5_6.3.i386.rpm
libvirt-0.8.2-15.el5_6.3.x86_64.rpm
libvirt-debuginfo-0.8.2-15.el5_6.3.i386.rpm
libvirt-debuginfo-0.8.2-15.el5_6.3.x86_64.rpm
libvirt-devel-0.8.2-15.el5_6.3.i386.rpm
libvirt-devel-0.8.2-15.el5_6.3.x86_64.rpm
libvirt-python-0.8.2-15.el5_6.3.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libvirt-0.8.1-27.el6_0.5.src.rpm

i386:
libvirt-0.8.1-27.el6_0.5.i686.rpm
libvirt-client-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-python-0.8.1-27.el6_0.5.i686.rpm

x86_64:
libvirt-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-client-0.8.1-27.el6_0.5.i686.rpm
libvirt-client-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-python-0.8.1-27.el6_0.5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libvirt-0.8.1-27.el6_0.5.src.rpm

i386:
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-devel-0.8.1-27.el6_0.5.i686.rpm

x86_64:
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-devel-0.8.1-27.el6_0.5.i686.rpm
libvirt-devel-0.8.1-27.el6_0.5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libvirt-0.8.1-27.el6_0.5.src.rpm

x86_64:
libvirt-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-client-0.8.1-27.el6_0.5.i686.rpm
libvirt-client-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-python-0.8.1-27.el6_0.5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libvirt-0.8.1-27.el6_0.5.src.rpm

x86_64:
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-devel-0.8.1-27.el6_0.5.i686.rpm
libvirt-devel-0.8.1-27.el6_0.5.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libvirt-0.8.1-27.el6_0.5.src.rpm

i386:
libvirt-0.8.1-27.el6_0.5.i686.rpm
libvirt-client-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-devel-0.8.1-27.el6_0.5.i686.rpm
libvirt-python-0.8.1-27.el6_0.5.i686.rpm

ppc64:
libvirt-0.8.1-27.el6_0.5.ppc64.rpm
libvirt-client-0.8.1-27.el6_0.5.ppc.rpm
libvirt-client-0.8.1-27.el6_0.5.ppc64.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.ppc.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.ppc64.rpm
libvirt-devel-0.8.1-27.el6_0.5.ppc.rpm
libvirt-devel-0.8.1-27.el6_0.5.ppc64.rpm
libvirt-python-0.8.1-27.el6_0.5.ppc64.rpm

s390x:
libvirt-0.8.1-27.el6_0.5.s390x.rpm
libvirt-client-0.8.1-27.el6_0.5.s390.rpm
libvirt-client-0.8.1-27.el6_0.5.s390x.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.s390.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.s390x.rpm
libvirt-devel-0.8.1-27.el6_0.5.s390.rpm
libvirt-devel-0.8.1-27.el6_0.5.s390x.rpm
libvirt-python-0.8.1-27.el6_0.5.s390x.rpm

x86_64:
libvirt-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-client-0.8.1-27.el6_0.5.i686.rpm
libvirt-client-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-devel-0.8.1-27.el6_0.5.i686.rpm
libvirt-devel-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-python-0.8.1-27.el6_0.5.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libvirt-0.8.1-27.el6_0.5.src.rpm

i386:
libvirt-0.8.1-27.el6_0.5.i686.rpm
libvirt-client-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-devel-0.8.1-27.el6_0.5.i686.rpm
libvirt-python-0.8.1-27.el6_0.5.i686.rpm

x86_64:
libvirt-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-client-0.8.1-27.el6_0.5.i686.rpm
libvirt-client-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm
libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-devel-0.8.1-27.el6_0.5.i686.rpm
libvirt-devel-0.8.1-27.el6_0.5.x86_64.rpm
libvirt-python-0.8.1-27.el6_0.5.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/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-1146.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.


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