RHSA-2019:1594: Important: redhat-virtualization-host security update
First published: Tue Jun 25 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>Security Fix(es):<br><li> Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service (CVE-2019-11477)</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, acknowledgements, and other related information, refer to the CVE page(s) listed in the References section.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/redhat-release-virtualization-host | <4.2-11.1.el7 | 4.2-11.1.el7 |
| redhat/redhat-release-virtualization-host | <4.2-11.1.el7 | 4.2-11.1.el7 |
| redhat/redhat-virtualization-host-image-update-placeholder | <4.2-11.1.el7 | 4.2-11.1.el7 |
| redhat/redhat-virtualization-host | <4.2-20190618.0.el7_6 | 4.2-20190618.0.el7_6 |
| redhat/redhat-release-virtualization-host-content | <4.2-11.1.el7 | 4.2-11.1.el7 |
| redhat/redhat-virtualization-host-image-update | <4.2-20190618.0.el7_6 | 4.2-20190618.0.el7_6 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2019:1594?
RHSA-2019:1594 is classified as a moderate severity vulnerability.
Which packages are affected by RHSA-2019:1594?
The RHSA-2019:1594 vulnerability affects multiple packages including redhat-release-virtualization-host and redhat-virtualization-host.
How do I fix RHSA-2019:1594?
To fix RHSA-2019:1594, you should update your system to the latest version of the affected packages from Red Hat.
What platforms are affected by the RHSA-2019:1594 vulnerability?
The RHSA-2019:1594 vulnerability primarily affects Red Hat Virtualization Host installations using the el7 platform.
Is there an update available for RHSA-2019:1594?
Yes, updates are available to remediate the vulnerabilities outlined in RHSA-2019:1594.
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