RedHat: RHSA-2020-5218:01 Moderate: Red Hat Virtualization security, bug fix,
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 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:
imgbased (1.2.13), redhat-release-virtualization-host (4.4.3),
redhat-virtualization-host (4.4.3). (BZ#1814517, BZ#1868293, BZ#1886484)
Security Fix(es):
* libssh: denial of service when handling AES-CTR (or DES) ciphers(CVE-2020-1730)
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):
* [security] gnutls_set_default_priority() (and thus Cockpit logins) fails
when selecting VPP profile during RHVH installation (BZ#1835661)
* Unable to upgrade from rhvh 4.4.1 to 4.4.2 as block storage domains are
detected as local storage domains. (BZ#1886647)
* Failed to install RHVH 4.4.3 due to missing Lvm ThinPool (BZ#1886695)
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/2974891
References
https://access.redhat.com/security/cve/CVE-2020-1730 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Virtualization 4 Hypervisor for RHEL 8:
Source:
redhat-virtualization-host-4.4.3-20201116.0.el8_3.src.rpm
noarch:
redhat-virtualization-host-image-update-4.4.3-20201116.0.el8_3.noarch.rpm
RHEL 8-based RHEV-H for RHEV 4 (build requirements):
Source:
imgbased-1.2.13-0.1.el8ev.src.rpm
redhat-release-virtualization-host-4.4.3-1.el8ev.src.rpm
noarch:
imgbased-1.2.13-0.1.el8ev.noarch.rpm
python3-imgbased-1.2.13-0.1.el8ev.noarch.rpm
redhat-virtualization-host-image-update-placeholder-4.4.3-1.el8ev.noarch.rpm
x86_64:
redhat-release-virtualization-host-4.4.3-1.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/
Topic
An update for imgbased, redhat-release-virtualization-host, andredhat-virtualization-host is now available for Red Hat Virtualization 4for Red Hat Enterprise Linux 8.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.
Topic
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
Bugs Fixed
1801998 - CVE-2020-1730 libssh: denial of service when handling AES-CTR (or DES) ciphers1833254 - Register RHVH 4.4 to Engine will fail when security profile is selected
1868293 - Rebase RHV-H on RHEL 8.3
1886484 - redhat-virtualization-host-productimg rhv anaconda installclass needs rebase on RHEL 8.3 anaconda-33.16.3.*
1886647 - Unable to upgrade from rhvh 4.4.1 to 4.4.2 as block storage domains are detected as local storage domains.
1886695 - Failed to install RHVH 4.4.3 due to missing Lvm ThinPool
