USN-2209-1: libvirt vulnerabilities

Releases

• Ubuntu 13.10

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)

Update instructions

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

Ubuntu 13.10

• libvirt0 - 1.1.1-0ubuntu8.11
• libvirt-bin - 1.1.1-0ubuntu8.11

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

References

• CVE-2013-6456
• CVE-2013-7336