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Red Hat Security Advisory

Synopsis: Important: qemu-kvm-rhev security update
Advisory ID: RHSA-2019:4344-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4344
Issue date: 2019-12-19
CVE Names: CVE-2019-12155 CVE-2019-14378
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1. Summary:

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform
10.0 (Newton).

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

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 during packet reassembly
(CVE-2019-14378)

* QEMU: qxl: null pointer dereference while releasing spice resources
(CVE-2019-12155)

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.

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/):

1712670 – CVE-2019-12155 QEMU: qxl: null pointer dereference while releasing spice resources
1734745 – CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly

6. Package List:

Red Hat OpenStack Platform 10.0:

Source:
qemu-kvm-rhev-2.12.0-33.el7_7.4.src.rpm

x86_64:
qemu-img-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-common-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-tools-rhev-2.12.0-33.el7_7.4.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-2019-12155
https://access.redhat.com/security/cve/CVE-2019-14378
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 2019 Red Hat, Inc.
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