RHSA-2021:1189 - Security Advisory

Topic

An update 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.

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.

Changes to the redhat-release-virtualization-host component:

• Previously, the redhat-support-tool was missing from the RHV-H 4.4 package.

In this release, the redhat-support-tool has been added. (BZ#1928607)

Security Fix(es):

• openssl: NULL pointer dereference in signature_algorithms processing (CVE-2021-3449)
• openssl: CA certificate check bypass with X509_V_FLAG_X509_STRICT (CVE-2021-3450)

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.

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

The system must be rebooted for this update to take effect. For the update to take effect, all services linked to the glibc library must be restarted, or the system rebooted.

Affected Products

• Red Hat Virtualization 4 for RHEL 8 x86_64
• Red Hat Virtualization Host 4 for RHEL 8 x86_64

Fixes

• BZ - 1892573 - RHVH 4.4.2 fails to boot from SAN when using UUID for /boot partition
• BZ - 1895832 - RHVH 4.4.3: No response when clicking button "Help" in Anaconda GUI
• BZ - 1907306 - "sysstat" doesn't collect data for upgraded RHVH
• BZ - 1907358 - In FIPS mode, RHVH cannot enter the new layer after upgrade
• BZ - 1907746 - RHVH cannot enter the new layer after upgrade testing with STIG profile selected.
• BZ - 1918207 - RHVH upgrade to 4.4.5-1 will fail due to FileNotFoundError
• BZ - 1927395 - RHVH, protecting key packages from being removed.
• BZ - 1928607 - redhat-support-tool is missing from latest RHV-H 4.4
• BZ - 1940845 - Include updated gluster-ansible-features in RHV-H 4.4.5
• BZ - 1941547 - CVE-2021-3450 openssl: CA certificate check bypass with X509_V_FLAG_X509_STRICT
• BZ - 1941554 - CVE-2021-3449 openssl: NULL pointer dereference in signature_algorithms processing
• BZ - 1942040 - Rebase RHV-H 4.4.5 on RHEL-AV 8.3.1 Async
• BZ - 1942498 - Rebase RHV-H 4.4.5 on RHEL-8.3.1.3

CVEs

• CVE-2021-3449
• CVE-2021-3450

References

• https://access.redhat.com/security/updates/classification/#important