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

First published: Thu Jun 30 2022(Updated: )

The redhat-virtualization-host packages provide the Red Hat Virtualization Host.<br>These packages include redhat-release-virtualization-host. Red Hat<br>Virtualization Hosts (RHVH) are installed using a special build of Red Hat<br>Enterprise Linux with only the packages required to host virtual machines. <br>RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.<br>Security Fix(es) from Bugzilla:<br><li> zlib: A flaw found in zlib when compressing (not decompressing) certain inputs (CVE-2018-25032)</li> <li> gzip: arbitrary-file-write vulnerability (CVE-2022-1271)</li> <li> rsyslog: Heap-based overflow in TCP syslog server (CVE-2022-24903)</li> <li> kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966)</li> 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.<br>Bug Fix(es) from Bugzilla:<br><li> RHV-H 4.3 has been rebased on RHEL 7.9 batch (BZ#2084444)</li>

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