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Red Hat Product Errata RHSA-2022:0443 - Security Advisory
Issued:
2022-02-07
Updated:
2022-02-07

RHSA-2022:0443 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: RHV-H security update (redhat-virtualization-host) 4.3.21

Type/Severity

Security Advisory: Important

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 7.

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. 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):

  • polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector (CVE-2021-4034)
  • samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717)

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 7 x86_64
  • Red Hat Virtualization Host 4 for RHEL 7 x86_64

Fixes

  • BZ - 2019672 - CVE-2020-25717 samba: Active Directory (AD) domain user could become root on domain members
  • BZ - 2025869 - CVE-2021-4034 polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector

CVEs

  • CVE-2020-25717
  • CVE-2021-4034

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/security/vulnerabilities/RHSB-2022-001
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Virtualization 4 for RHEL 7

SRPM
redhat-release-virtualization-host-4.3.21-1.el7ev.src.rpm SHA-256: f956ad01d0bbab35f8fc71a671af8bb34142c15ccaa0d433c9d694f0e285ba75
redhat-virtualization-host-4.3.21-20220126.0.el7_9.src.rpm SHA-256: d21a5c48ad1c1d29acf665dd27732ce748a6eaea9954a19bcbcf58b640582d9a
x86_64
redhat-release-virtualization-host-4.3.21-1.el7ev.x86_64.rpm SHA-256: 16e950172ea349afe68ef6c67adb63b54ce53a3c5e65402098762f9c4929aed1
redhat-virtualization-host-image-update-4.3.21-20220126.0.el7_9.noarch.rpm SHA-256: aa5c786266166d3fde287107d674e77bd7aabb595eb3b6c3a105abf50e04619c
redhat-virtualization-host-image-update-placeholder-4.3.21-1.el7ev.noarch.rpm SHA-256: 2e3afe8515c2a92e7ecb975ed3d9ad88c6dd64f600be054514353681cd82edc2

Red Hat Virtualization Host 4 for RHEL 7

SRPM
redhat-virtualization-host-4.3.21-20220126.0.el7_9.src.rpm SHA-256: d21a5c48ad1c1d29acf665dd27732ce748a6eaea9954a19bcbcf58b640582d9a
x86_64
redhat-virtualization-host-image-update-4.3.21-20220126.0.el7_9.noarch.rpm SHA-256: aa5c786266166d3fde287107d674e77bd7aabb595eb3b6c3a105abf50e04619c

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

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