Updated qemu-kvm packages that fix one security issue and one bug are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which

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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: qemu-kvm security and bug fix update
Advisory ID:       RHSA-2016:0083-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:0083.html
Issue date:        2016-01-28
CVE Names:         CVE-2016-1714 
====================================================================
1. Summary:

Updated qemu-kvm packages that fix one security issue and one bug are now
available for Red Hat Enterprise Linux 7.

Red Hat Product Security 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.

An out-of-bounds read/write flaw was discovered in the way QEMU's Firmware
Configuration device emulation processed certain firmware configurations.
A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the
QEMU process instance or, potentially, execute arbitrary code on the host
with privileges of the QEMU process. (CVE-2016-1714)

Red Hat would like to thank Donghai Zhu of Alibaba for reporting this
issue.

This update also fixes the following bugs:

* Incorrect handling of the last sector of an image file could trigger an
assertion failure in qemu-img. This update changes the handling of the last
sector, and no assertion failure occurs. (BZ#1298828)

All qemu-kvm users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. 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.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

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

1296060 - CVE-2016-1714 Qemu: nvram: OOB r/w access in processing firmware configurations
1298828 - [abrt] qemu-img: get_block_status(): qemu-img killed by SIGABRT

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
qemu-kvm-1.5.3-105.el7_2.3.src.rpm

x86_64:
libcacard-1.5.3-105.el7_2.3.i686.rpm
libcacard-1.5.3-105.el7_2.3.x86_64.rpm
qemu-img-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-common-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.i686.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-tools-1.5.3-105.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
libcacard-devel-1.5.3-105.el7_2.3.i686.rpm
libcacard-devel-1.5.3-105.el7_2.3.x86_64.rpm
libcacard-tools-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.i686.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
qemu-kvm-1.5.3-105.el7_2.3.src.rpm

x86_64:
libcacard-1.5.3-105.el7_2.3.i686.rpm
libcacard-1.5.3-105.el7_2.3.x86_64.rpm
libcacard-devel-1.5.3-105.el7_2.3.i686.rpm
libcacard-devel-1.5.3-105.el7_2.3.x86_64.rpm
libcacard-tools-1.5.3-105.el7_2.3.x86_64.rpm
qemu-img-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-common-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.i686.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-tools-1.5.3-105.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
qemu-kvm-1.5.3-105.el7_2.3.src.rpm

ppc64:
qemu-img-1.5.3-105.el7_2.3.ppc64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.ppc64.rpm

ppc64le:
qemu-img-1.5.3-105.el7_2.3.ppc64le.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.ppc64le.rpm

x86_64:
libcacard-1.5.3-105.el7_2.3.i686.rpm
libcacard-1.5.3-105.el7_2.3.x86_64.rpm
qemu-img-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-common-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.i686.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-tools-1.5.3-105.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
libcacard-1.5.3-105.el7_2.3.ppc.rpm
libcacard-1.5.3-105.el7_2.3.ppc64.rpm
libcacard-devel-1.5.3-105.el7_2.3.ppc.rpm
libcacard-devel-1.5.3-105.el7_2.3.ppc64.rpm
libcacard-tools-1.5.3-105.el7_2.3.ppc64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.ppc.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.ppc64.rpm

ppc64le:
libcacard-1.5.3-105.el7_2.3.ppc64le.rpm
libcacard-devel-1.5.3-105.el7_2.3.ppc64le.rpm
libcacard-tools-1.5.3-105.el7_2.3.ppc64le.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.ppc64le.rpm

x86_64:
libcacard-devel-1.5.3-105.el7_2.3.i686.rpm
libcacard-devel-1.5.3-105.el7_2.3.x86_64.rpm
libcacard-tools-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.i686.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
qemu-kvm-1.5.3-105.el7_2.3.src.rpm

x86_64:
libcacard-1.5.3-105.el7_2.3.i686.rpm
libcacard-1.5.3-105.el7_2.3.x86_64.rpm
qemu-img-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-common-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.i686.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-tools-1.5.3-105.el7_2.3.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
libcacard-devel-1.5.3-105.el7_2.3.i686.rpm
libcacard-devel-1.5.3-105.el7_2.3.x86_64.rpm
libcacard-tools-1.5.3-105.el7_2.3.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.i686.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.3.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-2016-1714
https://access.redhat.com/security/updates/classification#important

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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