RedHat: RHSA-2021-1051:01 Moderate: RHV-H enhancement and security update
Summary
The redhat-virtualization-host packages provide the Red Hat Virtualization
Host.
These packages include redhat-release-virtualization-host. 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):
* lldp/openvswitch: denial of service via externally triggered memory leak
(CVE-2020-27827)
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.
Summary
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/2974891
References
https://access.redhat.com/security/cve/CVE-2020-27827 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Virtualization 4 Hypervisor for RHEL 7:
Source:
redhat-virtualization-host-4.3.14-20210322.0.el7_9.src.rpm
noarch:
redhat-virtualization-host-image-update-4.3.14-20210322.0.el7_9.noarch.rpm
RHEL 7-based RHEV-H for RHEV 4 (build requirements):
Source:
redhat-release-virtualization-host-4.3.14-2.el7ev.src.rpm
redhat-virtualization-host-4.3.14-20210322.0.el7_9.src.rpm
noarch:
redhat-virtualization-host-image-update-4.3.14-20210322.0.el7_9.noarch.rpm
redhat-virtualization-host-image-update-placeholder-4.3.14-2.el7ev.noarch.rpm
x86_64:
redhat-release-virtualization-host-4.3.14-2.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/
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.
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
1921438 - CVE-2020-27827 lldp/openvswitch: denial of service via externally triggered memory leak
1924062 - Rebase RHV-H 4.3 EUS on RHEL 7.9.z #4
1932859 - Rebase RHV-H 4.3.14 on FDP 2.11 (21B)
1940841 - Include updated gluster-ansible-features in RHV-H 4.3
