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====================================================================                   
Red Hat Security Advisory

Synopsis:          Moderate: redhat-virtualization-host security update
Advisory ID:       RHSA-2019:0342-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0342
Issue date:        2019-02-13
CVE Names:         CVE-2018-16864 CVE-2018-16865
====================================================================
1. Summary:

An update for redhat-virtualization-host is now available for Red Hat
Virtualization 4 for Red Hat Enterprise Linux 7.

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

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.

Security Fix(es):

* systemd: stack overflow when calling syslog from a command with long
cmdline (CVE-2018-16864)

* systemd: stack overflow when receiving many journald entries
(CVE-2018-16865)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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/2974891

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

1653855 - CVE-2018-16864 systemd: stack overflow when calling syslog from a command with long cmdline
1653861 - CVE-2018-16865 systemd: stack overflow when receiving many journald entries
1666987 - Include RHGS 3.4.z BU3 (3.4.3) glusterfs build in RHV 4.2.8 Async
1670318 - RHV-H 4.2.8-1 tracker

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 7:

Source:
redhat-virtualization-host-4.2-20190129.0.el7_6.src.rpm

noarch:
redhat-virtualization-host-image-update-4.2-20190129.0.el7_6.noarch.rpm

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

Source:
redhat-release-virtualization-host-4.2-8.1.el7.src.rpm

noarch:
redhat-virtualization-host-image-update-placeholder-4.2-8.1.el7.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.2-8.1.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-2018-16864
https://access.redhat.com/security/cve/CVE-2018-16865
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 2019 Red Hat, Inc.
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