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Red Hat Security Advisory
Synopsis: Important: xen security update
Advisory ID: RHSA-2015:2065-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-2065.html
Issue date: 2015-11-16
CVE Names: CVE-2015-5279
=====================================================================
1. Summary:
Updated xen packages that fix one security issue are now available for Red
Hat Enterprise Linux 5.
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:
RHEL Desktop Multi OS (v. 5 client) – i386, x86_64
RHEL Virtualization (v. 5 server) – i386, ia64, x86_64
Red Hat Enterprise Linux (v. 5 server) – i386, ia64, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) – i386, x86_64
3. Description:
The xen packages contain administration tools and the xend service for
managing the kernel-xen kernel for virtualization on Red Hat Enterprise
Linux.
A heap buffer overflow flaw was found in the way QEMU’s NE2000 NIC
emulation implementation handled certain packets received over the network.
A privileged user inside a guest could use this flaw to crash the QEMU
instance (denial of service) or potentially execute arbitrary code on the
host. (CVE-2015-5279)
Red Hat would like to thank Qinghao Tang of QIHU 360 Inc. for reporting
this issue.
All xen users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
updated packages, all running fully-virtualized guests must be restarted
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/):
1256672 – CVE-2015-5279 qemu: Heap overflow vulnerability in ne2000_receive() function
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
xen-3.0.3-147.el5_11.src.rpm
i386:
xen-debuginfo-3.0.3-147.el5_11.i386.rpm
xen-libs-3.0.3-147.el5_11.i386.rpm
x86_64:
xen-debuginfo-3.0.3-147.el5_11.i386.rpm
xen-debuginfo-3.0.3-147.el5_11.x86_64.rpm
xen-libs-3.0.3-147.el5_11.i386.rpm
xen-libs-3.0.3-147.el5_11.x86_64.rpm
RHEL Desktop Multi OS (v. 5 client):
Source:
xen-3.0.3-147.el5_11.src.rpm
i386:
xen-3.0.3-147.el5_11.i386.rpm
xen-debuginfo-3.0.3-147.el5_11.i386.rpm
xen-devel-3.0.3-147.el5_11.i386.rpm
x86_64:
xen-3.0.3-147.el5_11.x86_64.rpm
xen-debuginfo-3.0.3-147.el5_11.i386.rpm
xen-debuginfo-3.0.3-147.el5_11.x86_64.rpm
xen-devel-3.0.3-147.el5_11.i386.rpm
xen-devel-3.0.3-147.el5_11.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
xen-3.0.3-147.el5_11.src.rpm
i386:
xen-debuginfo-3.0.3-147.el5_11.i386.rpm
xen-libs-3.0.3-147.el5_11.i386.rpm
ia64:
xen-debuginfo-3.0.3-147.el5_11.ia64.rpm
xen-libs-3.0.3-147.el5_11.ia64.rpm
x86_64:
xen-debuginfo-3.0.3-147.el5_11.i386.rpm
xen-debuginfo-3.0.3-147.el5_11.x86_64.rpm
xen-libs-3.0.3-147.el5_11.i386.rpm
xen-libs-3.0.3-147.el5_11.x86_64.rpm
RHEL Virtualization (v. 5 server):
Source:
xen-3.0.3-147.el5_11.src.rpm
i386:
xen-3.0.3-147.el5_11.i386.rpm
xen-debuginfo-3.0.3-147.el5_11.i386.rpm
xen-devel-3.0.3-147.el5_11.i386.rpm
ia64:
xen-3.0.3-147.el5_11.ia64.rpm
xen-debuginfo-3.0.3-147.el5_11.ia64.rpm
xen-devel-3.0.3-147.el5_11.ia64.rpm
x86_64:
xen-3.0.3-147.el5_11.x86_64.rpm
xen-debuginfo-3.0.3-147.el5_11.i386.rpm
xen-debuginfo-3.0.3-147.el5_11.x86_64.rpm
xen-devel-3.0.3-147.el5_11.i386.rpm
xen-devel-3.0.3-147.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-2015-5279
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 2015 Red Hat, Inc.
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