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Red Hat: RHSA-2019:3011-01 Moderate: Spectre SWAPGS Security Issue

red hat
Calendar Grey October 10, 2019
Dist Redhat Esm H88
Red Hat Virtualization 4 has been updated to resolve a significant security vulnerability along with several bugs found in the virtualization host components.
An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7

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

Summary

The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, redhat-virtualization-host, and ovirt-node-ng. 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 (1.1.10), ovirt-node-ng (4.3.6), redhat-release-virtualization-host (4.3.6), redhat-virtualization-host (4.3.6). (BZ#1734624, BZ#1737771, BZ#1752750)
Security Fix(es):
* kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)
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.
Bug Fix(es):
* RHVH 4.3.6: Incorrect welcome info appear in RHVH boot process (BZ#1736798)
* The company logo displays wrong. (BZ#1738457)
Enhancement(s):
* [downstream clone - 4.3.6] [RFE] Warn if SELinux is disabled when upgrading RHV-H (BZ#1744027)

References

https://access.redhat.com/security/cve/CVE-2019-1125 https://access.redhat.com/articles/4329821 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Virtualization 4 Hypervisor for RHEL 7:
Source: redhat-virtualization-host-4.3.6-20190924.0.el7_7.src.rpm
noarch: redhat-virtualization-host-image-update-4.3.6-20190924.0.el7_7.noarch.rpm
RHEL 7-based RHEV-H for RHEV 4 (build requirements):
Source: imgbased-1.1.10-0.1.el7ev.src.rpm ovirt-node-ng-4.3.6-0.20190820.0.el7ev.src.rpm redhat-release-virtualization-host-4.3.6-2.el7ev.src.rpm redhat-virtualization-host-4.3.6-20190924.0.el7_7.src.rpm
noarch: imgbased-1.1.10-0.1.el7ev.noarch.rpm ovirt-node-ng-nodectl-4.3.6-0.20190820.0.el7ev.noarch.rpm python-imgbased-1.1.10-0.1.el7ev.noarch.rpm python2-ovirt-node-ng-nodectl-4.3.6-0.20190820.0.el7ev.noarch.rpm redhat-virtualization-host-image-update-4.3.6-20190924.0.el7_7.noarch.rpm redhat-virtualization-host-image-update-placeholder-4.3.6-2.el7ev.noarch.rpm
x86_64: redhat-release-virtualization-host-4.3.6-2.el7ev.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


Advisory ID: RHSA-2019:3011-01
Product: Red Hat Virtualization
Issue date: 2019-10-10

Topic

An update for redhat-virtualization-host is now available for Red HatVirtualization 4 for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

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

1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability

1736798 - RHVH 4.3.6: Incorrect welcome info appear in RHVH boot process

1737771 - Rebase RHV-H to RHV 4.3.6

1738457 - The company logo displays wrong.

1744027 - [downstream clone - 4.3.6] [RFE] Warn if SELinux is disabled when upgrading RHV-H

1752750 - Rebase RHV-H on glusterfs-3.12.2-47.5.el7rhgs

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