[RHSA-2021:5006-04] Critical: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] Async #1

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Critical: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] Async #1
Advisory ID:       RHSA-2021:5006-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:5006
Issue date:        2021-12-08
CVE Names:         CVE-2021-43527 
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1. Summary:

An update for redhat-release-virtualization-host and
redhat-virtualization-host 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 Critical. 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.

2. Relevant releases/architectures:

RHEL 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 8 - x86_64

3. 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.

Security Fix(es):

* nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and
RSA-PSS) (CVE-2021-43527)

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS)
2029406 - Could not find available upgrade package, when upgrade RHVH to the latest rhvh-4.4.9.3-0.20211202.0+1

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 8:

Source:
redhat-virtualization-host-4.4.9-202112061811_8.5.src.rpm

x86_64:
redhat-virtualization-host-image-update-4.4.9-202112061811_8.5.x86_64.rpm

RHEL 8-based RHEV-H for RHEV 4 (build requirements):

Source:
redhat-release-virtualization-host-4.4.9-3.el8ev.src.rpm

noarch:
redhat-virtualization-host-image-update-placeholder-4.4.9-3.el8ev.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.4.9-3.el8ev.x86_64.rpm
redhat-release-virtualization-host-content-4.4.9-3.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/

7. References:

https://access.redhat.com/security/cve/CVE-2021-43527
https://access.redhat.com/security/updates/classification/#critical
https://access.redhat.com/security/vulnerabilities/RHSB-2021-008

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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