[SECURITY] Fedora 24 Update: xen-4.6.4-4.fc24

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Fedora Update Notification
FEDORA-2016-bcbae0781f
2016-12-23 09:05:45.377467
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Name        : xen
Product     : Fedora 24
Version     : 4.6.4
Release     : 4.fc24
URL         : http://xen.org/
Summary     : Xen is a virtual machine monitor
Description :
This package contains the XenD daemon and xm command line
tools, needed to manage virtual machines running under the
Xen hypervisor

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Update Information:

x86 CMPXCHG8B emulation fails to ignore operand size override [XSA-200,
CVE-2016-9932] (#1404262)  ----  ARM guests may induce host asynchronous abort
[XSA-201, CVE-2016-9815, CVE-2016-9816, CVE-2016-9817, CVE-2016-9818] (#1399747)
qemu: Divide by zero vulnerability in cirrus_do_copy (#1399055) [CVE-2016-9921,
CVE-2016-9922] Qemu: 9pfs: memory leakage via proxy/handle callbacks (#1402278)
qemu ioport array overflow [XSA-199, CVE-2016-9637]
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References:

  [ 1 ] Bug #1399745 - CVE-2016-9932 xsa200 xen: x86 CMPXCHG8B emulation fails to ignore
operand size override (XSA-200)
        https://bugzilla.redhat.com/show_bug.cgi?id=1399745
  [ 2 ] Bug #1399746 - CVE-2016-9815 CVE-2016-9816 CVE-2016-9817 CVE-2016-9818 xsa201 xen:
ARM guests may induce host asynchronous abort (XSA-201)
        https://bugzilla.redhat.com/show_bug.cgi?id=1399746
  [ 3 ] Bug #1334398 - CVE-2016-9921 CVE-2016-9922 Qemu: display: cirrus_vga: a divide by
zero in cirrus_do_copy
        https://bugzilla.redhat.com/show_bug.cgi?id=1334398
  [ 4 ] Bug #1402276 - CVE-2016-9913 CVE-2016-9914 CVE-2016-9915 CVE-2016-9916 Qemu: 9pfs:
memory leakage via proxy/handle callbacks
        https://bugzilla.redhat.com/show_bug.cgi?id=1402276
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade xen' at the command line.
For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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