Important CentOS xen Security Update


xen-3.0.3-147.el5_11.i386.rpm, xen-3.0.3-147.el5_11.i686.rpm, xen-3.0.3-147.el5_11.src.rpm, xen-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.i686.rpm, xen-devel-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.i686.rpm, xen-libs-3.0.3-147.el5_11.x86_64.rpm
2017-07-27 19:10
Important CentOS kvm Security Update
CVE-2015-5279 qemu
CVE-2015-5279 xen
CVE-2015-5279 qemu-kvm
2017-04-01 19:09
2017-01-05 20:13


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.

The xen packages contain administration tools and the xend service for
managing the kernel-xen kernel for virtualization on Red Hat Enterprise

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.
Please see

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Affected package information

Release Package Patched in
5 xen xen-3.0.3-147.el5_11.i386.rpm
xen xen-3.0.3-147.el5_11.i686.rpm
xen xen-3.0.3-147.el5_11.src.rpm
xen xen-3.0.3-147.el5_11.x86_64.rpm
xen-devel xen-devel-3.0.3-147.el5_11.i386.rpm
xen-devel xen-devel-3.0.3-147.el5_11.i686.rpm
xen-devel xen-devel-3.0.3-147.el5_11.x86_64.rpm
xen-libs xen-libs-3.0.3-147.el5_11.i386.rpm
xen-libs xen-libs-3.0.3-147.el5_11.i686.rpm
xen-libs xen-libs-3.0.3-147.el5_11.x86_64.rpm