RedHat: RHSA-2018-1275:01 Important: redhat-virtualization-host security
Summary
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.
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.
Security Fix(es):
* glusterfs: Privilege escalation via gluster_shared_storage when snapshot
scheduling is enabled (CVE-2018-1088)
* It was found that fix for CVE-2018-1088 introduced new vulnerability in
the way 'auth.allow' is implemented in glusterfs server. An unauthenticated
gluster client could mount gluster storage volumes. (CVE-2018-1112)
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.
This issue was discovered by John Strunk (Red Hat).
Summary
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
References
https://access.redhat.com/security/cve/CVE-2018-1088 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Virtualization 4 Hypervisor for RHEL 7:
Source:
redhat-virtualization-host-4.1-20180426.0.el7_5.src.rpm
noarch:
redhat-virtualization-host-image-update-4.1-20180426.0.el7_5.noarch.rpm
RHEL 7-based RHEV-H for RHEV 4 (build requirements):
Source:
redhat-release-virtualization-host-4.1-11.0.el7.src.rpm
noarch:
redhat-virtualization-host-image-update-placeholder-4.1-11.0.el7.noarch.rpm
x86_64:
redhat-release-virtualization-host-4.1-11.0.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/
Topic
An update for redhat-release-virtualization-host andredhat-virtualization-host is now available for Red Hat Virtualization 4for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
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
Bugs Fixed
1558721 - CVE-2018-1088 glusterfs: Privilege escalation via gluster_shared_storage when snapshot scheduling is enabled
1568527 - [Tracker] RHV-H for 4.1.11
1569421 - The package redhat-virtualization-host-image-update-placeholder is wrong on rhvh-4.1-20180417.0
1569823 - Include wrong glusterfs in redhat-virtualization-host-4.1-20180419.0