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Red Hat Security Advisory

Synopsis: Important: qemu-kvm-rhev security update
Advisory ID: RHSA-2018:2822-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2822
Issue date: 2018-09-27
CVE Names: CVE-2018-11806
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1. Summary:

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform
8.0 (Liberty), Red Hat OpenStack Platform 9.0 (Mitaka), Red Hat OpenStack
Platform 10.0 (Newton), Red Hat OpenStack Platform 12.0 (Pike), and Red Hat
OpenStack Platform 13.0 (Queens).

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.

2. Relevant releases/architectures:

Red Hat OpenStack Platform 10.0 – x86_64
Red Hat OpenStack Platform 12.0 – ppc64le, x86_64
Red Hat OpenStack Platform 13.0 – ppc64le, x86_64
Red Hat OpenStack Platform 8.0 (Liberty) – x86_64
Red Hat OpenStack Platform 9.0 – x86_64

3. 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.

4. Solution:

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

https://access.redhat.com/articles/11258

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.

5. Bugs fixed (https://bugzilla.redhat.com/):

1586245 – CVE-2018-11806 QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams

6. Package List:

Red Hat OpenStack Platform 10.0:

Source:
qemu-kvm-rhev-2.10.0-21.el7_5.6.src.rpm

x86_64:
qemu-img-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.6.x86_64.rpm

Red Hat OpenStack Platform 12.0:

Source:
qemu-kvm-rhev-2.10.0-21.el7_5.6.src.rpm

ppc64le:
qemu-img-rhev-2.10.0-21.el7_5.6.ppc64le.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.6.ppc64le.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.6.ppc64le.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.6.ppc64le.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.6.ppc64le.rpm

x86_64:
qemu-img-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.6.x86_64.rpm

Red Hat OpenStack Platform 13.0:

Source:
qemu-kvm-rhev-2.10.0-21.el7_5.6.src.rpm

ppc64le:
qemu-img-rhev-2.10.0-21.el7_5.6.ppc64le.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.6.ppc64le.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.6.ppc64le.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.6.ppc64le.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.6.ppc64le.rpm

x86_64:
qemu-img-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.6.x86_64.rpm

Red Hat OpenStack Platform 8.0 (Liberty):

Source:
qemu-kvm-rhev-2.10.0-21.el7_5.6.src.rpm

x86_64:
qemu-img-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.6.x86_64.rpm

Red Hat OpenStack Platform 9.0:

Source:
qemu-kvm-rhev-2.10.0-21.el7_5.6.src.rpm

x86_64:
qemu-img-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.6.x86_64.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.6.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-11806
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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