USN-2366-1: libvirt vulnerabilities
30 September 2014
Several security issues were fixed in libvirt.
- libvirt - Libvirt virtualization toolkit
Daniel P. Berrange and Richard Jones discovered that libvirt incorrectly
handled XML documents containing XML external entity declarations. An
attacker could use this issue to cause libvirtd to crash, resulting in a
denial of service on all affected releases, or possibly read arbitrary
files if fine grained access control was enabled on Ubuntu 14.04 LTS.
Luyao Huang discovered that libvirt incorrectly handled certain blkiotune
queries. An attacker could use this issue to cause libvirtd to crash,
resulting in a denial of service. This issue only applied to Ubuntu 12.04
LTS and Ubuntu 14.04 LTS. (CVE-2014-3633)
The problem can be corrected by updating your system to the following package versions:
After a standard system update you need to reboot your computer to make
all the necessary changes.