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[RHSA-2016:2963-01] Important: xen security update

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Red Hat Security Advisory

 

Synopsis: Important: xen security update

Advisory ID: RHSA-2016:2963-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2963.html

Issue date: 2016-12-20

CVE Names: CVE-2016-9637

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1. Summary:

 

An update for xen is now available for Red Hat Enterprise Linux 5.

 

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 Enterprise Linux (v. 5 server) - i386, ia64, x86_64

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux Virtualization (v. 5 server) - i386, ia64, x86_64

 

3. Description:

 

Xen is a virtual machine monitor

 

Security Fix(es):

 

* An out of bounds array access issue was found in the Xen virtual machine

monitor, built with the QEMU ioport support. It could occur while doing

ioport read/write operations, if guest was to supply a 32bit address

parameter. A privileged guest user/process could use this flaw to

potentially escalate their privileges on a host. (CVE-2016-9637)

 

Red Hat would like to thank the Xen project 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/):

 

1397043 - CVE-2016-9637 XSA199 Xen: qemu ioport out-of-bounds array access (XSA-199)

 

6. Package List:

 

Red Hat Enterprise Linux Desktop (v. 5 client):

 

Source:

xen-3.0.3-148.el5_11.src.rpm

 

i386:

xen-debuginfo-3.0.3-148.el5_11.i386.rpm

xen-libs-3.0.3-148.el5_11.i386.rpm

 

x86_64:

xen-debuginfo-3.0.3-148.el5_11.i386.rpm

xen-debuginfo-3.0.3-148.el5_11.x86_64.rpm

xen-libs-3.0.3-148.el5_11.i386.rpm

xen-libs-3.0.3-148.el5_11.x86_64.rpm

 

Red Hat Enterprise Linux Desktop Multi OS (v. 5 client):

 

Source:

xen-3.0.3-148.el5_11.src.rpm

 

i386:

xen-3.0.3-148.el5_11.i386.rpm

xen-debuginfo-3.0.3-148.el5_11.i386.rpm

xen-devel-3.0.3-148.el5_11.i386.rpm

 

x86_64:

xen-3.0.3-148.el5_11.x86_64.rpm

xen-debuginfo-3.0.3-148.el5_11.i386.rpm

xen-debuginfo-3.0.3-148.el5_11.x86_64.rpm

xen-devel-3.0.3-148.el5_11.i386.rpm

xen-devel-3.0.3-148.el5_11.x86_64.rpm

 

Red Hat Enterprise Linux (v. 5 server):

 

Source:

xen-3.0.3-148.el5_11.src.rpm

 

i386:

xen-debuginfo-3.0.3-148.el5_11.i386.rpm

xen-libs-3.0.3-148.el5_11.i386.rpm

 

ia64:

xen-debuginfo-3.0.3-148.el5_11.ia64.rpm

xen-libs-3.0.3-148.el5_11.ia64.rpm

 

x86_64:

xen-debuginfo-3.0.3-148.el5_11.i386.rpm

xen-debuginfo-3.0.3-148.el5_11.x86_64.rpm

xen-libs-3.0.3-148.el5_11.i386.rpm

xen-libs-3.0.3-148.el5_11.x86_64.rpm

 

Red Hat Enterprise Linux Virtualization (v. 5 server):

 

Source:

xen-3.0.3-148.el5_11.src.rpm

 

i386:

xen-3.0.3-148.el5_11.i386.rpm

xen-debuginfo-3.0.3-148.el5_11.i386.rpm

xen-devel-3.0.3-148.el5_11.i386.rpm

 

ia64:

xen-3.0.3-148.el5_11.ia64.rpm

xen-debuginfo-3.0.3-148.el5_11.ia64.rpm

xen-devel-3.0.3-148.el5_11.ia64.rpm

 

x86_64:

xen-3.0.3-148.el5_11.x86_64.rpm

xen-debuginfo-3.0.3-148.el5_11.i386.rpm

xen-debuginfo-3.0.3-148.el5_11.x86_64.rpm

xen-devel-3.0.3-148.el5_11.i386.rpm

xen-devel-3.0.3-148.el5_11.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-2016-9637

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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