Synopsis

Moderate: openstack-nova and python-novaclient security, bug fix, and enhancement update

Type/Severity

Security Advisory: Moderate

Topic

An update for openstack-nova and python-novaclient is now available for Red Hat OpenStack Platform 10.0 (Newton).

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.

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.

python-novaclient is the python client for the OpenStack Nova API. The client's Python API (the novaclient module) and command-line script (nova) both implement 100% of the OpenStack Nova API.

The following packages have been upgraded to a later upstream version: openstack-nova (14.1.0), python-novaclient (6.0.2). (BZ#1501736)

Security Fix(es):

• By rebuilding an instance using a new image, an authenticated user may be able to circumvent the Filter Scheduler, bypassing imposed filters (for example, the ImagePropertiesFilter or the IsolatedHostsFilter). (CVE-2017-16239)
  

Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges George Shuklin (Servers.com) as the original reporter.

Bug Fix(es):

• Prior to this update, QEMU (also known as TCG) guests had an issue where the `guest.get_vcpu_info` method was throwing an exception indicating that 0 were vCPUs used on the host, regardless of how many guests were running. Consequently, this caused the 'get_available_resources' method to report incorrect vCPUs used values for the Compute node. This meant it was overcounting resource consumption for plain QEMU guests, as they can only ever consume 1 pCPU of time, regardless of vCPU count. With this update, if a host does not report detailed vCPU usage from libvirt, then it should default to reporting 1 vCPU per guest, so that the 'vcpus_used' field reports some reasonably meaningful data on host CPU usage. As a result, libvirt does not report that 'cpu affinity is not supported' when guests are running in TCG. (BZ#1515165)
  
• With this enhancement, the act of evacuating instances with pinned CPUs can result in these instances being hosted on a hypervisor which already handles instances with the same pinning configuration. This was added because the resource tracker does not track CPU pinning for instances on hosts. As a result, a condition has been added to the NUMATopologyFilter filter, which passes on hosts which already manage an instance with same CPU pinning configuration as the instance being evacuated. (BZ#1517272)
  
• Previously, the `request_spec.spec` column's TEXT type was too small, with the result that large request_specs may not have fit successfully. Consequently, running the online data migration as part of an OSP9 to OSP10 upgrade could have resulted in failure if an instance created before the upgrade had a large request_spec (for example, by having many members in its affinity/anti-affinity group). With this update, the request_spec.spec column has been increased to `MEDIUMTEXT`. As a result, online data migration should no longer fail during a OSP9 to OSP10 upgrade. (BZ#1526082)
  
• Previously, when detaching a Ceph volume connected to guest as a PCI device, the volume was not detached and libvirt reported an invalid PCI address. This arose because the PCI address of the device was not properly formatted due to a missing method in the guest XML formatter. To address this issue, this update adds a proper `format_dom` method for `LibvirtConfigGuestDeviceAddressPCI`. As a result, it is now possible to detach a Ceph volume. (BZ#1527345)

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

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat OpenStack 10 x86_64

Fixes

• BZ - 1508539 - CVE-2017-16239 openstack-nova: Nova Filter Scheduler bypass through rebuild action
• BZ - 1515165 - Seeing cpu affinity is not supported messages on compute node
• BZ - 1519054 - Bug in log output in hardware.py "Not enough available memory to schedule instance" prints full memory instead of available memory
• BZ - 1525427 - [RHOSP10] nova --bypass-url flag throw the ERROR (KeyError): 'versions'
• BZ - 1526082 - Unable to resize nova instance after upgrade to OSP 10
• BZ - 1527345 - Detaching a ceph volume results error: nodeLibvirtConfigGuestDeviceAddressPCI missing format_dom method
• BZ - 1530330 - migration with block migration fails as disk_available_least is negative
• BZ - 1534665 - Rebase openstack-nova to 14.1.0

CVEs

• CVE-2017-16239

References

• https://access.redhat.com/security/updates/classification/#moderate

Red Hat Enterprise Linux Server 7

SRPM
python-novaclient-6.0.2-2.el7ost.src.rpm	SHA-256: 70e1238604105a0cbf03dbc315eea7b2f93b8477391dded2734738ca7d072614
x86_64
python-novaclient-6.0.2-2.el7ost.noarch.rpm	SHA-256: 3fdd4c14fec90a08a15c33bc1e2ec0f2ea752cfcb4e1622874f562b9c31ee06a

Red Hat Enterprise Linux Workstation 7

SRPM
python-novaclient-6.0.2-2.el7ost.src.rpm	SHA-256: 70e1238604105a0cbf03dbc315eea7b2f93b8477391dded2734738ca7d072614
x86_64
python-novaclient-6.0.2-2.el7ost.noarch.rpm	SHA-256: 3fdd4c14fec90a08a15c33bc1e2ec0f2ea752cfcb4e1622874f562b9c31ee06a

Red Hat Enterprise Linux Desktop 7

SRPM
python-novaclient-6.0.2-2.el7ost.src.rpm	SHA-256: 70e1238604105a0cbf03dbc315eea7b2f93b8477391dded2734738ca7d072614
x86_64
python-novaclient-6.0.2-2.el7ost.noarch.rpm	SHA-256: 3fdd4c14fec90a08a15c33bc1e2ec0f2ea752cfcb4e1622874f562b9c31ee06a

Red Hat OpenStack 10

SRPM
openstack-nova-14.1.0-3.el7ost.src.rpm	SHA-256: 4bab8131697d70be6594742f1ede96db06223bbf28680adddfb8b3ee8a8bc23c
python-novaclient-6.0.2-2.el7ost.src.rpm	SHA-256: 70e1238604105a0cbf03dbc315eea7b2f93b8477391dded2734738ca7d072614
x86_64
openstack-nova-14.1.0-3.el7ost.noarch.rpm	SHA-256: ad77c8a134e3331e1e9d8c19983a24324d248ed8509b4a00249bdfab1ac6509c
openstack-nova-api-14.1.0-3.el7ost.noarch.rpm	SHA-256: 7d3e574c387aba7529f3289cafac02893e4431e3296c54d1d516dba516bc7af1
openstack-nova-cells-14.1.0-3.el7ost.noarch.rpm	SHA-256: b5eefe9246b31bd69d35495efadc6f651ff57c0cf74c501133bf997a73205f85
openstack-nova-cert-14.1.0-3.el7ost.noarch.rpm	SHA-256: 71d7f5024a25a0e1c9401a140c23c5abb79802d6a7ec19a4ba91a89748a9a4ed
openstack-nova-common-14.1.0-3.el7ost.noarch.rpm	SHA-256: 959bf45efef0e3bddc3fa40ddee3d59ab5c09980df72f5b7f01c9a87302d7d0c
openstack-nova-compute-14.1.0-3.el7ost.noarch.rpm	SHA-256: e322747f03c258e4257fe4d79b766e8e30c0991bc5cbe7bf2519c918f25c9800
openstack-nova-conductor-14.1.0-3.el7ost.noarch.rpm	SHA-256: b3eec726040ac53ebe8c5646fce2d13a2148e6276d658ff3d44fab0208abdcf0
openstack-nova-console-14.1.0-3.el7ost.noarch.rpm	SHA-256: 5a7fed5b07707e04b2d8a4f2e40ebf75b604ce6db3b2338c7f5221b88618c9f3
openstack-nova-migration-14.1.0-3.el7ost.noarch.rpm	SHA-256: ad2263b9bdb1387e11ef65184af1e5cf5846e166ef8a5eb7966608038934600f
openstack-nova-network-14.1.0-3.el7ost.noarch.rpm	SHA-256: b3f3be14d738a35612c043092fd6d250dc9260e6bc1b24a44b0a72844aa3aca1
openstack-nova-novncproxy-14.1.0-3.el7ost.noarch.rpm	SHA-256: 2dde74f82a840b9d50394027e963b08c6acf4ecdffc850e9fb06c3a4c8385873
openstack-nova-placement-api-14.1.0-3.el7ost.noarch.rpm	SHA-256: 5a72ea955693ce1110bb2ddd64490ab0363f9cc05f17f67e65a4bcf227359770
openstack-nova-scheduler-14.1.0-3.el7ost.noarch.rpm	SHA-256: 52cd549b09977063e045bf5c7488570666110fb6db78f63e46718c527e408762
openstack-nova-serialproxy-14.1.0-3.el7ost.noarch.rpm	SHA-256: 438ba8d596403c4ba57da44bbba9bed7aebab8aa57e853a68aa6178b4ba2d01a
openstack-nova-spicehtml5proxy-14.1.0-3.el7ost.noarch.rpm	SHA-256: 74c1c5b3c568d8e43f7498114ff376b486008b601bf717390895d4f52fbd03f7
python-nova-14.1.0-3.el7ost.noarch.rpm	SHA-256: 50b0070ecc2d04caf1e481e4ac93cce1f9740827639f6a8785b76e2a9ea2aac9
python-nova-tests-14.1.0-3.el7ost.noarch.rpm	SHA-256: 29091971834503267352e230ba4d5f3f9c006ae28dba50407c0f14400d0df595
python-novaclient-6.0.2-2.el7ost.noarch.rpm	SHA-256: 3fdd4c14fec90a08a15c33bc1e2ec0f2ea752cfcb4e1622874f562b9c31ee06a