Issued:
2013-10-29
Updated:
2013-10-29

RHSA-2013:1460 - Important: rhev-hypervisor6 security and bug fix update

Synopsis

Important: rhev-hypervisor6 security and bug fix update

Type/Severity

Security Advisory Important

Topic

An updated rhev-hypervisor6 package that fixes one security issue and various bugs is now available.

The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

Description

The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent.

Note: Red Hat Enterprise Virtualization Hypervisor is only available for the Intel 64 and AMD64 architectures with virtualization extensions.

Upgrade Note: If you upgrade the Red Hat Enterprise Virtualization Hypervisor through the 3.2 Manager administration portal, the Host may appear with the status of "Install Failed". If this happens, place the host into maintenance mode, then activate it again to get the host back to an "Up" state

A stack-based buffer overflow flaw was found in the way the reds_handle_ticket() function in the spice-server library handled decryption of ticket data provided by the client. A remote attacker able to initiate a SPICE connection to the guest could use this flaw to crash the guest. (CVE-2013-4282)

This issue was discovered by Tomas Jamrisko of Red Hat.

This updated package provides updated components that include fixes for various security issues. These issues have no security impact on Red Hat Enterprise Virtualization Hypervisor itself, however. The security fixes included in this update address the following CVE numbers:

CVE-2013-4162 and CVE-2013-4299 (kernel issues)

CVE-2013-4296 and CVE-2013-4311 (libvirt issues)

CVE-2013-4288 (polkit issue)

This update also contains the fixes from the following advisories:

  • vdsm: https://rhn.redhat.com/errata/RHBA-2013-1462.html
  • ovirt-node: https://rhn.redhat.com/errata/RHBA-2013-1461.html

Users of the Red Hat Enterprise Virtualization Hypervisor are advised to upgrade to this updated package, which corrects these issues.

Solution

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/site/articles/11258

To upgrade Hypervisors in Red Hat Enterprise Virtualization environments using the disk image provided by this package, refer to:

This content is not included.https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Hypervisor_Deployment_Guide/chap-Deployment_Guide-Upgrading_Red_Hat_Enterprise_Virtualization_Hypervisors.html

Affected Products

ProductVersionArch
Red Hat Virtualization6x86_64

Updated Packages

  • rhev-hypervisor6-6.4-20131016.0.el6_4.noarch.rpm
  • rhev-hypervisor6-6.4-20131016.0.el6_4.src.rpm

Fixes

CVEs

References

Additional information