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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: openstack-nova security and bug fix update
Advisory ID:       RHSA-2018:2855-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:2855
Issue date:        2018-10-02
CVE Names:         CVE-2017-18191 
====================================================================
1. Summary:

An update for openstack-nova is now available for Red Hat OpenStack
Platform 9.0 (Mitaka).

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat OpenStack Platform 9.0 - noarch

3. Description:

OpenStack Compute (nova) launches and schedules large networks of virtual
machines, creating a redundant and scalable cloud computing platform.
Compute provides the software, control panels, and APIs required to
orchestrate a cloud, including running virtual machine instances and
controlling access through users and projects.

Security Fix(es):

* openstack-nova: Swapping encrypted volumes can allow an attacker to
corrupt the LUKS header causing a denial of service in the host
(CVE-2017-18191)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Bug Fix(es):

* This update fixes a race condition that could generate error messages and
cause migration failures during nova live migrations. 

Prior to this update, if a domain was already cleaned out by periodic
tasks, undefining the domain source during a live migration sometimes
generated a "Domain not found (Code=42)" error. (BZ#1614325)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1545330 - I/O latency of cinder volume after live migration increases
1546937 - CVE-2017-18191 openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host
1569952 - preallocate_images = space is not honoured when using qcow2

6. Package List:

Red Hat OpenStack Platform 9.0:

Source:
openstack-nova-13.1.4-24.el7ost.src.rpm

noarch:
openstack-nova-13.1.4-24.el7ost.noarch.rpm
openstack-nova-api-13.1.4-24.el7ost.noarch.rpm
openstack-nova-cells-13.1.4-24.el7ost.noarch.rpm
openstack-nova-cert-13.1.4-24.el7ost.noarch.rpm
openstack-nova-common-13.1.4-24.el7ost.noarch.rpm
openstack-nova-compute-13.1.4-24.el7ost.noarch.rpm
openstack-nova-conductor-13.1.4-24.el7ost.noarch.rpm
openstack-nova-console-13.1.4-24.el7ost.noarch.rpm
openstack-nova-migration-13.1.4-24.el7ost.noarch.rpm
openstack-nova-network-13.1.4-24.el7ost.noarch.rpm
openstack-nova-novncproxy-13.1.4-24.el7ost.noarch.rpm
openstack-nova-scheduler-13.1.4-24.el7ost.noarch.rpm
openstack-nova-serialproxy-13.1.4-24.el7ost.noarch.rpm
openstack-nova-spicehtml5proxy-13.1.4-24.el7ost.noarch.rpm
python-nova-13.1.4-24.el7ost.noarch.rpm
python-nova-tests-13.1.4-24.el7ost.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-18191
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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