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Red Hat Security Advisory 2022-5439-01

Red Hat Security Advisory 2022-5439-01
Posted Jul 1, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-5439-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host. Red Hat Virtualization Hosts 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. Issues addressed include heap overflow, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2018-25032, CVE-2022-1271, CVE-2022-1966, CVE-2022-24903
SHA-256 | 3db4a9a3eaef4ae44ffe0e4b1baeea0aa294da5f2930bbfe0457203563dd5c83

Red Hat Security Advisory 2022-5439-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Important: RHV-H security update (redhat-virtualization-host) 4.3.23
Advisory ID: RHSA-2022:5439-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5439
Issue date: 2022-06-30
CVE Names: CVE-2018-25032 CVE-2022-1271 CVE-2022-1966
CVE-2022-24903
====================================================================
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 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.

2. Relevant releases/architectures:

RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch

3. 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)

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/):

2067945 - CVE-2018-25032 zlib: A flaw found in zlib when compressing (not decompressing) certain inputs
2073310 - CVE-2022-1271 gzip: arbitrary-file-write vulnerability
2081353 - CVE-2022-24903 rsyslog: Heap-based overflow in TCP syslog server
2084444 - Rebase RHV-H 4.3 on RHEL 7.9 batch
2092427 - CVE-2022-1966 kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 7:

Source:
redhat-virtualization-host-4.3.23-20220622.0.el7_9.src.rpm

noarch:
redhat-virtualization-host-image-update-4.3.23-20220622.0.el7_9.noarch.rpm

RHEL 7-based RHEV-H for RHEV 4 (build requirements):

Source:
redhat-release-virtualization-host-4.3.23-1.el7ev.src.rpm
redhat-virtualization-host-4.3.23-20220622.0.el7_9.src.rpm
redhat-virtualization-host-productimg-4.3.23-1.el7.src.rpm

noarch:
redhat-virtualization-host-image-update-4.3.23-20220622.0.el7_9.noarch.rpm
redhat-virtualization-host-image-update-placeholder-4.3.23-1.el7ev.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.3.23-1.el7ev.x86_64.rpm
redhat-virtualization-host-productimg-4.3.23-1.el7.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-2018-25032
https://access.redhat.com/security/cve/CVE-2022-1271
https://access.redhat.com/security/cve/CVE-2022-1966
https://access.redhat.com/security/cve/CVE-2022-24903
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2022 Red Hat, Inc.
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