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Vulnerability of OpenStack Compute/Nova: denial of service via Resize State

Synthesis of the vulnerability 

An attacker can generate a fatal error in Resize State of OpenStack Compute/Nova, in order to trigger a denial of service.
Vulnerable systems: Solaris, RHEL, Ubuntu.
Severity of this threat: 2/4.
Creation date: 16/10/2015.
Références of this weakness: bulletinjan2016, CVE-2015-3280, RHSA-2015:1898-01, USN-3449-1, VIGILANCE-VUL-18122.

Description of the vulnerability 

An attacker can generate a fatal error in Resize State of OpenStack Compute/Nova, in order to trigger a denial of service.
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This computer threat alert impacts software or systems such as Solaris, RHEL, Ubuntu.

Our Vigil@nce team determined that the severity of this weakness announce is medium.

The trust level is of type confirmed by the editor, with an origin of user account.

An attacker with a expert ability can exploit this computer weakness bulletin.

Solutions for this threat 

RHEL OpenStack: new openstack-nova packages.
New packages are available:
  RHEL 6: openstack-nova 2014.1.5-3.el6ost
  RHEL 7: openstack-nova 2014.1.5-5.el7ost, openstack-nova 2014.2.3-31.el7ost, openstack-nova 2015.1.1-3.el7ost

Solaris: patch for Third Party 03/2016.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

Ubuntu 14.04: new python-nova packages.
New packages are available:
  Ubuntu 14.04 LTS: python-nova 1:2014.1.5-0ubuntu1.7
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