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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
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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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2018 Red Hat, Inc.
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