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Red Hat Security Advisory

Synopsis: Important: Red Hat Virtualization security, bug fix, and enhancement update
Advisory ID: RHSA-2020:4172-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4172
Issue date: 2020-10-05
CVE Names: CVE-2020-10713 CVE-2020-14364
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1. Summary:

An update for cockpit-ovirt, imgbased, redhat-release-virtualization-host,
and redhat-virtualization-host is now available for Red Hat Virtualization
4 for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 8-based RHEV-H for RHEV 4 (build requirements) – noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 8 – noarch
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts – 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.

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:
cockpit-ovirt (0.14.11), imgbased (1.2.12),
redhat-release-virtualization-host (4.4.2), redhat-virtualization-host
(4.4.2). (BZ#1875362, BZ#1878045)

Security Fix(es):

* grub2: Crafted grub.cfg file can lead to arbitrary code execution during
boot process (CVE-2020-10713)

* QEMU: usb: out-of-bounds r/w access issue while processing usb packets
(CVE-2020-14364)

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.

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/):

1805589 – grub2-mkconfig produces incorrect config if host installed over iSCSI
1825243 – CVE-2020-10713 grub2: Crafted grub.cfg file can lead to arbitrary code execution during boot process
1847547 – SSH connection disabled during ISO installation
1852721 – Installation of node will not quit when mountpoint has existing domain (VMs)
1859876 – imgbase check failed after register to engine
1868312 – Rebase RHV-H 4.4.2 on Ansible 2.9.12
1869201 – CVE-2020-14364 QEMU: usb: out-of-bounds r/w access issue while processing usb packets
1873049 – Require tested ansible-2.9.13 for ovirt-hosted-engine-setup in RHV Manager 4.4.2
1875362 – Upgrade cockpit-ovirt to 0.14.11

6. Package List:

Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts:

Source:
cockpit-ovirt-0.14.11-1.el8ev.src.rpm

noarch:
cockpit-ovirt-dashboard-0.14.11-1.el8ev.noarch.rpm

Red Hat Virtualization 4 Hypervisor for RHEL 8:

Source:
redhat-virtualization-host-4.4.2-20200930.0.el8_2.src.rpm

noarch:
redhat-virtualization-host-image-update-4.4.2-20200930.0.el8_2.noarch.rpm

RHEL 8-based RHEV-H for RHEV 4 (build requirements):

Source:
imgbased-1.2.12-0.1.el8ev.src.rpm
redhat-release-virtualization-host-4.4.2-1.el8ev.src.rpm

noarch:
imgbased-1.2.12-0.1.el8ev.noarch.rpm
python3-imgbased-1.2.12-0.1.el8ev.noarch.rpm
redhat-virtualization-host-image-update-placeholder-4.4.2-1.el8ev.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.4.2-1.el8ev.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-2020-10713
https://access.redhat.com/security/cve/CVE-2020-14364
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/grub2bootloader

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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