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USN-1501-1: Nova vulnerability

11 July 2012

Nova could be made to not respond if passed specially crafted input.



  • nova - OpenStack Compute cloud infrastructure


Dan Prince discovered that the Nova scheduler, when using
DifferentHostFilter or SameHostFilter, would make repeated database
instance lookup calls based on passed scheduler hints. An authenticated
attacker could use this to cause a denial of service.

Update instructions

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

Ubuntu 12.04

In general, a standard system update will make all the necessary changes.