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Red Hat Product Errata RHSA-2018:2714 - Security Advisory
Issued:
2018-09-17
Updated:
2018-09-17

RHSA-2018:2714 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: openstack-nova security and bug fix update

Type/Severity

Security Advisory: Moderate

Topic

An update for openstack-nova 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.

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, including the impact, a CVSS score, and other related information, refer to the CVE page listed in the References section.

Bug Fix(es):

  • Previously, the MTU of TAP devices was not configured. As a result, the network could be configured with a different MTU than a guest TAP device.

With this update, you can configure libvirt when you create the TAP device for the guest. Nova passes the correct parameter to libvirt, and the TAP device now has the same configuration as the network. (BZ#1553839)

  • Previously, the MTU of TAP devices was not configured. As a result, the network could be configured with a different MTU than a guest TAP device.

With this update, you can configure libvirt when you create the TAP device for the guest. Nova passes the correct parameter to libvirt, and the TAP device now has the same configuration as the network. (BZ#1553559)

  • Previously, the '[vnc] keymap' option was 'en-us' by default, and it was not possible to unset this configuration. As a result of this, non-US locales experienced ineffective key mappings.

With this update, users can unset the '[vnc] keymap' value. In this case, the VNC client configures the locale and non-US users attain more effective key mappings. (BZ#1441962)

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 OpenStack 10 x86_64

Fixes

  • BZ - 1441962 - Remove default option for keymap in code and config files
  • BZ - 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
  • BZ - 1546965 - Launching Instance fails when image property hw_disk_bus=scsi is set
  • BZ - 1553559 - Configured jumbo frames and tap device is still being created with the MTU 1500
  • BZ - 1553839 - if ovs_hybrid_plug=false for a VM instance neutron port, the MTU is not always set correctly
  • BZ - 1569953 - preallocate_images = space is not honoured when using qcow2
  • BZ - 1575989 - Duplicate imports of oslo_config types

CVEs

  • CVE-2017-18191

References

  • https://access.redhat.com/security/updates/classification/#moderate
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat OpenStack 10

    SRPM
    openstack-nova-14.1.0-26.el7ost.src.rpm SHA-256: 007f5cfde241a02b4493f90abefcce0ad9293e9b659c5cba7f1e5079194f7401
    x86_64
    openstack-nova-14.1.0-26.el7ost.noarch.rpm SHA-256: 8286d4204abd89d228629b4bf0adeda5ced337dc8d89ccddca6772fb8ea43667
    openstack-nova-api-14.1.0-26.el7ost.noarch.rpm SHA-256: faeb87e3c6205ec24cda021810fffa2d129a1deb2557d74c45bd87c66b004c1c
    openstack-nova-cells-14.1.0-26.el7ost.noarch.rpm SHA-256: fb02efa97d113f1c0e114ee267069e6c2fd16e585107a0555d275b4ab7d64284
    openstack-nova-cert-14.1.0-26.el7ost.noarch.rpm SHA-256: 2b3c26789863e6fe6536b9cf9f4ebd8462dc28fc3b5841fbd183da7501abb94a
    openstack-nova-common-14.1.0-26.el7ost.noarch.rpm SHA-256: b17fed079b74960dd36d5213c78d309ecd50bfee327a03b122aa8acf1b2c6add
    openstack-nova-compute-14.1.0-26.el7ost.noarch.rpm SHA-256: 5479713b523d0b3db6793dd2b10f15d897db30541a89145dc3afcddb2de6e400
    openstack-nova-conductor-14.1.0-26.el7ost.noarch.rpm SHA-256: 9ebfe0c26b3fcda3a947f5314c56fef183e6b2a3cd89e324eb97db74acfc2c1e
    openstack-nova-console-14.1.0-26.el7ost.noarch.rpm SHA-256: de28c822d29bdc89bb63eeeb42aac496fd79b991644c2fd66425b51e3a9aae5f
    openstack-nova-migration-14.1.0-26.el7ost.noarch.rpm SHA-256: 52ca1199894c9d6c2649d5f921b5fe2abbd1262e9ef7577680526f73d2e07d8d
    openstack-nova-network-14.1.0-26.el7ost.noarch.rpm SHA-256: 65c43d85052e24f5b145fff948ce60cdbd02669a6db5d7a3cea2524822d0e8d5
    openstack-nova-novncproxy-14.1.0-26.el7ost.noarch.rpm SHA-256: 4b01a3bdf96309e6ddc9e7f8b2cad737b50203659e5f4dfe2c6d308b770220fb
    openstack-nova-placement-api-14.1.0-26.el7ost.noarch.rpm SHA-256: 07b9a85a29c2c615b82d0c01c8b14ce9d77eec8440a873a4933d3184c37108bb
    openstack-nova-scheduler-14.1.0-26.el7ost.noarch.rpm SHA-256: d479b72f88f4da46f8a3a81bb6355244444c50ee2d9e4afedcfca80d5aa18cec
    openstack-nova-serialproxy-14.1.0-26.el7ost.noarch.rpm SHA-256: 2345311432199cac84e31407ca6512d755a17f70f9b78061a0260908d5c7e09c
    openstack-nova-spicehtml5proxy-14.1.0-26.el7ost.noarch.rpm SHA-256: 5f1c82fae39d27560de62188a85e402718cf66b8562c16d796de348d4a803031
    python-nova-14.1.0-26.el7ost.noarch.rpm SHA-256: 9f01fdf9939033b97d58c2f47b2a980df31b7386ae928b011484d9f16642f6d7
    python-nova-tests-14.1.0-26.el7ost.noarch.rpm SHA-256: 88c440fa9b15d39550c51c6596bcb06238b27bc894bc80c80ad79304a6d5f3d0

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

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