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Red Hat Product Errata RHSA-2021:5006 - Security Advisory
Issued:
2021-12-08
Updated:
2021-12-08

RHSA-2021:5006 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

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

Type/Severity

Security Advisory: Critical

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

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.

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.

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

Affected Products

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

Fixes

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

CVEs

  • CVE-2021-43527

References

  • https://access.redhat.com/security/updates/classification/#critical
  • https://access.redhat.com/security/vulnerabilities/RHSB-2021-008
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Virtualization 4 for RHEL 8

SRPM
redhat-release-virtualization-host-4.4.9-3.el8ev.src.rpm SHA-256: 367c200866fee547083a274cb048286ca993148fedeb6b25f030b09a3cc188f9
x86_64
redhat-release-virtualization-host-4.4.9-3.el8ev.x86_64.rpm SHA-256: 847c7fdea74ba060005159b06409fbcb35c32807024ecb502fa7a9a2546cda5f
redhat-release-virtualization-host-content-4.4.9-3.el8ev.x86_64.rpm SHA-256: 3de251f70b666584eae9e1138d6a91260a3311b8dbe43e59ca3393aa786ceaec
redhat-virtualization-host-image-update-placeholder-4.4.9-3.el8ev.noarch.rpm SHA-256: eb9e13b37133ce46da9867db474781ce594a50df044314e67135119ee6989376

Red Hat Virtualization Host 4 for RHEL 8

SRPM
redhat-virtualization-host-4.4.9-202112061811_8.5.src.rpm SHA-256: 2136d8d3527752923470e53d49113e6c61f5c403b61ff218e3c8781b5ee7228f
x86_64
redhat-virtualization-host-image-update-4.4.9-202112061811_8.5.x86_64.rpm SHA-256: 69a0f5fbcabd776bee786e7abb5e585564db6be4a1c2a103259aed3896fca90b

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

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