USN-527-1: xen-3.0 vulnerability

Releases

• Ubuntu 7.04

Packages

• xen-3.0 -

Details

Joris van Rantwijk discovered that the Xen host did not correctly validate
the contents of a Xen guests's grug.conf file. Xen guest root users could
exploit this to run arbitrary commands on the host when the guest system
was rebooted.

Update instructions

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

Ubuntu 7.04

• xen-utils-3.0 - 3.0.3-0ubuntu10.1

In general, a standard system upgrade is sufficient to effect the
necessary changes.

References

• CVE-2007-4993