Issued:
2022-06-30
Updated:
2022-06-30

RHSA-2022:5439 - Important: RHV-H security update redhat-virtualization-host - 4.3.23

Synopsis

Important: RHV-H security update (redhat-virtualization-host) 4.3.23

Type/Severity

Security Advisory Important

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) from Bugzilla:

  • zlib: A flaw found in zlib when compressing (not decompressing) certain inputs (CVE-2018-25032)

  • gzip: arbitrary-file-write vulnerability (CVE-2022-1271)

  • rsyslog: Heap-based overflow in TCP syslog server (CVE-2022-24903)

  • kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es) from Bugzilla:

  • RHV-H 4.3 has been rebased on RHEL 7.9 batch (BZ#2084444)

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

ProductVersionArch
Red Hat Virtualization4x86_64
Red Hat Virtualization Host4x86_64

Updated Packages

  • redhat-virtualization-host-image-update-4.3.23-20220622.0.el7_9.noarch.rpm
  • redhat-virtualization-host-productimg-4.3.23-1.el7.src.rpm
  • redhat-virtualization-host-4.3.23-20220622.0.el7_9.src.rpm
  • redhat-virtualization-host-productimg-4.3.23-1.el7.x86_64.rpm
  • redhat-release-virtualization-host-4.3.23-1.el7ev.x86_64.rpm
  • redhat-release-virtualization-host-4.3.23-1.el7ev.src.rpm
  • redhat-virtualization-host-image-update-placeholder-4.3.23-1.el7ev.noarch.rpm

Fixes

CVEs

References

Additional information