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AUSCERT External Security Bulletin Redistribution
ESB-2019.0465
Moderate: redhat-virtualization-host security update
14 February 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: redhat-virtualization-host
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Root Compromise -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-16865 CVE-2018-16864
Reference: ESB-2019.0318
ESB-2019.0201
ESB-2019.0125
ESB-2019.0111
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:0342
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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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