RHSA-2021:0028 — Security Advisory

Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update

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Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · January 6, 2021

Updated · November 2, 2026

Topic

An update for openvswitch2.11, ovn2.11, redhat-release-virtualization-host, and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 and Red Hat Virtualization Engine 4.3.

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.

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: openvswitch2.11 (2.11.3), ovn2.11 (2.11.1), redhat-release-virtualization-host (4.3.12), redhat-virtualization-host (4.3.12). (BZ#1898513, BZ#1907537, BZ#1907538)

Security Fix(es):

  • lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c (CVE-2015-8011)

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.

Related CVEs

RHSA-2021:0028 — Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update | PulseLinux