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AUSCERT External Security Bulletin Redistribution
Red Hat Virtualization security, bug fix, and enhancement update
28 June 2018
AusCERT Security Bulletin Summary
Product: Red Hat Virtualization
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Access Confidential Data -- Existing Account
CVE Names: CVE-2018-10855
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Red Hat Security Advisory
Synopsis: Moderate: Red Hat Virtualization security, bug fix, and enhancement update
Advisory ID: RHSA-2018:2079-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2079
Issue date: 2018-06-27
CVE Names: CVE-2018-10855
Updated redhat-virtualization-host packages that fix several bugs and add
various enhancements are now available.
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:
RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch
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
The ovirt-node-ng 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.
The following packages have been upgraded to a later upstream version:
imgbased (1.0.20), redhat-release-virtualization-host (4.2),
redhat-virtualization-host (4.2). (BZ#1590664)
* ansible: Failed tasks do not honour no_log option allowing for secrets to
be disclosed in logs (CVE-2018-10855)
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.
Red Hat would like to thank Tobias Henkel (BMW Car IT GmbH) for reporting
* Previously, if systems were configured to skip Logical Volume Manager
(LVM) clusters, imgbased sees output that is unrelated to the Logical
Volumes that are being queried.
As a result, imgbased failed to parse the output, causing Red Hat
Virtualization Host updates to fail.
In this release imgbased now ignores output from skipped clusters enabling
imgbased LVM commands to return successfully. (BZ#1568414)
* Starting from version 4.0, Red Hat Virtualization Hosts could not be
deployed from Satellite, and therefore could not take advantage of
Satellite's tooling features.
In this release, Red Hat Virtualization Hosts can now be deployed from
Satellite 6.3.2 and later. (BZ#1484532)
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
5. Bugs fixed (https://bugzilla.redhat.com/):
1484532 - [RFE] Deployment via Satellite
1534197 - After updating to current RHV-H, vdsmd consistently fails to start on startup.
1568414 - missing lvm filter causing "nodectl check" to fail to verify thinprovisioned local lv metadata
1588855 - CVE-2018-10855 ansible: Failed tasks do not honour no_log option allowing for secrets to be disclosed in logs
6. Package List:
Red Hat Virtualization 4 Hypervisor for RHEL 7:
RHEL 7-based RHEV-H for RHEV 4 (build requirements):
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <firstname.lastname@example.org>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2018 Red Hat, Inc.
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