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Red Hat OpenStack 8.0: RHSA-2016-1002 Important QEMU-KVM Security Risk

Redhat Large Esm H500
An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 8.0 (Liberty). Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: qemu-kvm-rhev security update
Advisory ID:       RHSA-2016:1002-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:1002.html
Issue date:        2016-05-10
CVE Names:         CVE-2016-3710 
====================================================================
1. Summary:

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

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 8.0 (Liberty) - 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-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Virtualization Manager.

Security Fix(es):

* An out-of-bounds read/write access flaw was found in the way QEMU's VGA
emulation with VESA BIOS Extensions (VBE) support performed read/write
operations using I/O port methods. A privileged guest user could use this
flaw to execute arbitrary code on the host with the privileges of the
host's QEMU process. (CVE-2016-3710)

Red Hat would like to thank Wei Xiao (360 Marvel Team) and Qinghao Tang
(360 Marvel Team) 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

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

1331401 - CVE-2016-3710 qemu: incorrect banked access bounds checking in vga module

6. Package List:

Red Hat OpenStack Platform 8.0 (Liberty):

Source:
qemu-kvm-rhev-2.3.0-31.el7_2.13.src.rpm

x86_64:
libcacard-rhev-2.3.0-31.el7_2.13.x86_64.rpm
libcacard-tools-rhev-2.3.0-31.el7_2.13.x86_64.rpm
qemu-img-rhev-2.3.0-31.el7_2.13.x86_64.rpm
qemu-kvm-common-rhev-2.3.0-31.el7_2.13.x86_64.rpm
qemu-kvm-rhev-2.3.0-31.el7_2.13.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.3.0-31.el7_2.13.x86_64.rpm
qemu-kvm-tools-rhev-2.3.0-31.el7_2.13.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-2016-3710
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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Red Hat OpenStack 8.0: RHSA-2016-1002 Important QEMU-KVM Security Risk

red hat
Calendar Grey May 10, 2016
Dist Redhat Esm H88
Crucial patch release for Red Hat OpenStack Suite mitigates a buffer overflow vulnerability in qemu-kvm-rhev.
An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 8.0 (Liberty)

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

Summary

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the user-space component for running virtual machines using KVM in environments managed by Red Hat Enterprise Virtualization Manager.
Security Fix(es):
* An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions (VBE) support performed read/write operations using I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the host's QEMU process. (CVE-2016-3710)
Red Hat would like to thank Wei Xiao (360 Marvel Team) and Qinghao Tang (360 Marvel Team) for reporting this issue.

References

https://access.redhat.com/security/cve/CVE-2016-3710 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat OpenStack Platform 8.0 (Liberty):
Source: qemu-kvm-rhev-2.3.0-31.el7_2.13.src.rpm
x86_64: libcacard-rhev-2.3.0-31.el7_2.13.x86_64.rpm libcacard-tools-rhev-2.3.0-31.el7_2.13.x86_64.rpm qemu-img-rhev-2.3.0-31.el7_2.13.x86_64.rpm qemu-kvm-common-rhev-2.3.0-31.el7_2.13.x86_64.rpm qemu-kvm-rhev-2.3.0-31.el7_2.13.x86_64.rpm qemu-kvm-rhev-debuginfo-2.3.0-31.el7_2.13.x86_64.rpm qemu-kvm-tools-rhev-2.3.0-31.el7_2.13.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2016:1002-01
Product: Red Hat Enterprise Linux OpenStack Platform
Issue date: 2016-05-10

Topic

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform8.0 (Liberty).Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat OpenStack Platform 8.0 (Liberty) - x86_64

Bugs Fixed

1331401 - CVE-2016-3710 qemu: incorrect banked access bounds checking in vga module

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