USN-2209-1: libvirt vulnerabilities

Publication date

7 May 2014

Overview

Several security issues were fixed in libvirt.

Releases


Packages

  • libvirt - Libvirt virtualization toolkit

Details

It was discovered that libvirt incorrectly handled symlinks when using the
LXC driver. An attacker could possibly use this issue to delete host
devices, create arbitrary nodes, and shutdown or power off the host.
(CVE-2013-6456)

Marian Krcmarik discovered that libvirt incorrectly handled seamless SPICE
migrations. An attacker could possibly use this issue to cause a denial of
service. (CVE-2013-7336)

It was discovered that libvirt incorrectly handled symlinks when using the
LXC driver. An attacker could possibly use this issue to delete host
devices, create arbitrary nodes, and shutdown or power off the host.
(CVE-2013-6456)

Marian Krcmarik discovered that libvirt incorrectly handled seamless SPICE
migrations. An attacker could possibly use this issue to cause a denial of
service. (CVE-2013-7336)

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
13.10 saucy libvirt0 –  1.1.1-0ubuntu8.11
libvirt-bin –  1.1.1-0ubuntu8.11

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