RedHat: RHSA-2022-5439:01 Important: RHV-H security update
Summary
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)
Summary
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
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
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/
Topic
An update for redhat-release-virtualization-host andredhat-virtualization-host is now available for Red Hat Virtualization 4for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
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
Bugs Fixed
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