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                   Red Hat Security Advisory

Synopsis:          Important: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.7]
Advisory ID:       RHSA-2021:2736-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2736
Issue date:        2021-07-22
CVE Names:         CVE-2021-3447 CVE-2021-33034 CVE-2021-33909 
                   CVE-2021-33910 
=====================================================================

1. Summary:

An update for 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 - x86_64

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 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):

* kernel: size_t-to-int conversion vulnerability in the filesystem layer
(CVE-2021-33909)

* systemd: uncontrolled allocation on the stack in function
unit_name_path_escape leads to crash (CVE-2021-33910)

* kernel: use-after-free in net/bluetooth/hci_event.c when destroying an
hci_chan (CVE-2021-33034)

* ansible: multiple modules expose secured values (CVE-2021-3447)

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):

* The redhat-release-virtualization-host package no longer requires
vdsm-hooks. In this release, the installation of vdsm-hooks is not
mandatory for the Red Hat Virtualization Host. (BZ#1976095)

* Previously, rhsmcertd was not enabled by default on the Red Hat
Virtualization Host. As a result, the systems did not regularly report to
RHSM while the subscription-manager reported no obvious issues and
repositories were properly enabled.
In this release, rhsmcertd is enabled by default in RHVH, and as a result,
RHSM now receives reports regularly. (BZ#1958145)

* In this release, the Red Hat Virtualization Host has been rebased on top
of the RHEL 8.4.0 Batch #1 update. For more information, see the RHEL
release notes. (BZ#1957242)

* Red Hat Virtualization Host now includes an updated
scap-security-guide-rhv which allows you to apply a PCI DSS security
profile to the system during installation, (BZ#1883793)

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/):

1883793 - [RFE] RHV installation with PCI DSS compliance
1939349 - CVE-2021-3447 ansible: multiple modules expose secured values
1955415 - RHVH 4.4: There are AVC denied errors in audit.log after upgrade
1957242 - Rebase RHV-H 4.4.7 on RHEL 8.4.0.1
1958145 - [RHVH 4.4.5] Need to enable rhsmcertd service on the host by default
1961305 - CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan
1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer
1970887 - CVE-2021-33910 systemd: uncontrolled allocation on the stack in function unit_name_path_escape leads to crash
1970970 - Rebase RHVH 4.4.6 host image with kernel fix for fnic issue
1976005 - No swap on RHVH 4.4.6
1976095 - redhat-release-virtualization-host-content shouldn't have hard dependency on vdsm hooks
1976118 - Failed to enable unit: Unit file rdma.service does not exist in %post execution
1976146 - Include fcoe-utils package into CDN: rhvh-4-for-rhel-8-x86_64-rpms
1976148 - Include vhostmd package into CDN: rhvh-4-for-rhel-8-x86_64-rpms

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 8:

Source:
fcoe-utils-1.0.33-3.git848bcc6.el8.src.rpm
redhat-virtualization-host-4.4.7-20210715.1.el8_4.src.rpm
vhostmd-1.1-5.el8.src.rpm

x86_64:
fcoe-utils-1.0.33-3.git848bcc6.el8.x86_64.rpm
fcoe-utils-debuginfo-1.0.33-3.git848bcc6.el8.x86_64.rpm
fcoe-utils-debugsource-1.0.33-3.git848bcc6.el8.x86_64.rpm
redhat-virtualization-host-image-update-4.4.7-20210715.1.el8_4.x86_64.rpm
vhostmd-1.1-5.el8.x86_64.rpm
vhostmd-debuginfo-1.1-5.el8.x86_64.rpm
vhostmd-debugsource-1.1-5.el8.x86_64.rpm
vm-dump-metrics-1.1-5.el8.x86_64.rpm
vm-dump-metrics-debuginfo-1.1-5.el8.x86_64.rpm
vm-dump-metrics-devel-1.1-5.el8.x86_64.rpm

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

Source:
imgbased-1.2.21-1.el8ev.src.rpm
redhat-release-virtualization-host-4.4.7-3.el8ev.src.rpm
scap-security-guide-0.1.54-2.el8ev.src.rpm

noarch:
imgbased-1.2.21-1.el8ev.noarch.rpm
python3-imgbased-1.2.21-1.el8ev.noarch.rpm
redhat-virtualization-host-image-update-placeholder-4.4.7-3.el8ev.noarch.rpm
scap-security-guide-rhv-0.1.54-2.el8ev.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.4.7-3.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-2021-3447
https://access.redhat.com/security/cve/CVE-2021-33034
https://access.redhat.com/security/cve/CVE-2021-33909
https://access.redhat.com/security/cve/CVE-2021-33910
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/RHSB-2021-006

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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