Issued:
2018-10-09
Updated:
2018-10-09

RHSA-2018:2887 - Important: qemu-kvm-rhev security update

Synopsis

Important: qemu-kvm-rhev security update

Type/Severity

Security Advisory Important

Topic

An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.

Security Fix(es):

  • QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams (CVE-2018-11806)

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.

Red Hat would like to thank Jskz - Zero Day Initiative (trendmicro.com) for reporting this issue.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/2974891

After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.

Affected Products

ProductVersionArch
Red Hat Virtualization4x86_64
Red Hat Virtualization for IBM Power LE4ppc64le

Updated Packages

  • qemu-kvm-tools-rhev-2.10.0-21.el7_5.7.ppc64le.rpm
  • qemu-kvm-common-rhev-2.10.0-21.el7_5.7.x86_64.rpm
  • qemu-kvm-rhev-2.10.0-21.el7_5.7.ppc64le.rpm
  • qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.7.ppc64le.rpm
  • qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.7.x86_64.rpm
  • qemu-img-rhev-2.10.0-21.el7_5.7.x86_64.rpm
  • qemu-kvm-common-rhev-2.10.0-21.el7_5.7.ppc64le.rpm
  • qemu-kvm-rhev-2.10.0-21.el7_5.7.src.rpm
  • qemu-img-rhev-2.10.0-21.el7_5.7.ppc64le.rpm
  • qemu-kvm-rhev-2.10.0-21.el7_5.7.x86_64.rpm
  • qemu-kvm-tools-rhev-2.10.0-21.el7_5.7.x86_64.rpm

Fixes

CVEs

References

Additional information