RHSA-2019:1699: Important: redhat-virtualization-host security and enhancement update

First published: Mon Jul 08 2019(Updated: )

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 following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.3.4), redhat-virtualization-host (4.3.4). (BZ#1721058, BZ#1721062, BZ#1721065)<br>Security Fix(es):<br><li> kernel: tcp: integer ovrtflow while processing SACK blocks allows remote denial of service (CVE-2019-11477)</li> <li> libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API (CVE-2019-10161)</li> <li> libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients (CVE-2019-10166)</li> <li> libvirt: arbitrary command execution via virConnectGetDomainCapabilities API (CVE-2019-10167)</li> <li> libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs (CVE-2019-10168)</li> <li> Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service (CVE-2019-11478)</li> <li> kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service (CVE-2019-11479)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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