RHSA-2021:2522: Important: Red Hat Virtualization Host security update [ovirt-4.4.6]

The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. 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.<br>The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. 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. <br>The ovirt-node-ng packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. 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.<br>Security Fix(es):<br><li> glib: integer overflow in gbytesnew function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits (CVE-2021-27219)</li> <li> kernel: userspace applications can misuse the KVM API to cause a write of 16 bytes at an offset up to 32 GB from vcpu-&gt;run (CVE-2021-3501)</li> <li> polkit: local privilege escalation using polkitsystembusnamegetcredssync() (CVE-2021-3560)</li> <li> hw: vt-d related privilege escalation (CVE-2020-24489)</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):<br><li> Previously, systemtap dependencies were not included in the RHV-H channel. Therefore, systemtap could not be installed.</li> In this release, the systemtap dependencies have been included in the channel, resolving the issue. (BZ#1903997)