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Red Hat Security Advisory

Synopsis: Important: redhat-virtualization-host bug fix and enhancement update
Advisory ID: RHSA-2018:1524-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1524
Issue date: 2018-05-15
CVE Names: CVE-2018-1087 CVE-2018-1088 CVE-2018-1111
CVE-2018-8897
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1. Summary:

Updated redhat-virtualization-host packages that fix several bugs and add
various enhancements are now available.

2. Relevant releases/architectures:

RHEL 7-based RHEV-H for RHEV 4 (build requirements) – noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 7 – noarch

3. Description:

The redhat-virtualization-host packages provide the Red Hat Virtualization
Host. These packages include redhat-release-virtualization-host,
ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are
installed using a special build of Red Hat Enterprise Linux with only the
packages required to host virtual machines. RHVH features a Cockpit user
interface for monitoring the host’s resources and performing administrative
tasks.

Includes GlusterFS fixes for CVE-2018-1088, dhcp fixes for CVE-2018-1111,
kernel fixes for CVE-2018-1087, and kernel fixes for CVE-2018-8897.

A list of bugs fixed in this update is available in the Technical Notes
book:
https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.2/ht
ml/technical_notes/

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/2974891

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

1357247 – rhvh 4: reboot after install shows “4m[terminated]” and takes long to reboot
1374007 – [RFE] RHV-H does not default to LVM Thin Provisioning
1420068 – [RFE] RHV-H should meet NIST 800-53 partitioning requirements by default
1422676 – [Test Only] Test Ansible playbook for registration
1429485 – [RFE] Imgbased layers should be named with ‘%{name}-%{version}-%{release}’ instead of %{name}-%{version}
1433394 – kdump could fill up /var filesystem while writing to /var/crash
1443965 – Libvirt is disabled on RHVH host
1454536 – HostedEngine setup fails if RHV-H timezone < UTC set during installation
1474268 – RHVH host displays “upgrade available” information on the engine after registering until an update is released
1489567 – Host Software tab does not show exact RHVH version anymore
1501161 – The version displays as “4.1” for subscribed product with RHVH 4.2
1502920 – File missing after upgrade of RHVH node from version RHVH-4.1-20170925.0 to latest.
1503148 – [RFE] translate between basic ntp configurations and chrony configurations
1516123 – tuned-adm timeout while adding the host in manager and the deployment will fail/take time to complete
1534855 – RHVH brand is missing on cockpit login screen.
1535791 – Upgrading node brings back previous hosted-engine configuration
1542833 – oVirt Node upgrade fails if SELINUX is disabled
1547864 – There is error report when upgrade to rhvh-4.1-20180218.0 / rhvh-4.2-20180218.0
1549630 – NGN upgrade should fail if it finds a badly placed local storage domain
1554186 – RHVH 4.2.2 version info is incorrect
1555243 – Consume updated cockpit-storaged packages
1555254 – “systemctl status lldpad.service” failed
1558721 – CVE-2018-1088 glusterfs: Privilege escalation via gluster_shared_storage when snapshot scheduling is enabled
1561258 – grub2-mkconfig on node produce incorrect grub2.cfg if a local VG is present
1563530 – Include wrong kernel in redhat-virtualization-host-4.1-20180403.1
1565497 – Imgbase check FAILED in redhat-virtualization-host-4.2-20180409.1
1566837 – CVE-2018-1087 Kernel: KVM: error in exception handling leads to wrong debug stack value
1567074 – CVE-2018-8897 Kernel: error in exception handling leads to DoS
1567974 – CVE-2018-1111 dhcp: Command injection vulnerability in the DHCP client NetworkManager integration script
1571134 – RHVH 4.2.3 version info is incorrect

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 7:

Source:
redhat-virtualization-host-4.2-20180508.0.el7_5.src.rpm

noarch:
redhat-virtualization-host-image-update-4.2-20180508.0.el7_5.noarch.rpm

RHEL 7-based RHEV-H for RHEV 4 (build requirements):

Source:
imgbased-1.0.16-0.1.el7ev.src.rpm
ovirt-node-ng-4.2.0-0.20170814.0.el7.src.rpm
redhat-release-virtualization-host-4.2-3.0.el7.src.rpm

noarch:
imgbased-1.0.16-0.1.el7ev.noarch.rpm
ovirt-node-ng-nodectl-4.2.0-0.20170814.0.el7.noarch.rpm
python-imgbased-1.0.16-0.1.el7ev.noarch.rpm
redhat-virtualization-host-image-update-placeholder-4.2-3.0.el7.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.2-3.0.el7.x86_64.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-2018-1087
https://access.redhat.com/security/cve/CVE-2018-1088
https://access.redhat.com/security/cve/CVE-2018-1111
https://access.redhat.com/security/cve/CVE-2018-8897
https://access.redhat.com/security/updates/classification/#important

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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