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Red Hat 7 RHV-H 4.3.14 Moderate: Denial of Service Security Fix

red hat
Calendar Grey March 31, 2021
Dist Redhat Esm H88
Red Hat Virtualization 4 security patch released to mitigate a moderate risk problem associated with denial of service vulnerability.
An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7

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

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.

Topics%20covered

Topics Covered

security advisory moderate denial of service Red Hat RHV-H RHV-H update RHEV 4

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/


Advisory ID: RHSA-2021:1051-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1051
Issue date: 2021-03-31

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.

Topics%20covered

Topics Covered

security advisory moderate denial of service Red Hat RHV-H RHV-H update RHEV 4

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

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