[SECURITY] Fedora 26 Update: xen-4.8.2-9.fc26

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Fedora Update Notification
FEDORA-2017-16a414b3c5
2018-01-02 14:44:38.578556
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Name        : xen
Product     : Fedora 26
Version     : 4.8.2
Release     : 9.fc26
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:

another patch related to the [XSA-240, CVE-2017-15595] issue xen: various flaws
(#1525018) x86 PV guests may gain access to internally used page [XSA-248]
broken x86 shadow mode refcount overflow check [XSA-249] improper x86 shadow
mode refcount error handling [XSA-250] improper bug check in x86 log-dirty
handling [XSA-251]  ----  xen: various flaws (#1518214) x86: infinite loop due
to missing PoD error checking [XSA-246] Missing p2m error checking in PoD code
[XSA-247]
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References:

  [ 1 ] Bug #1518656 - CVE-2017-17566 xsa248 xen: x86 PV guests may gain access to
internally used pages (XSA-248)
        https://bugzilla.redhat.com/show_bug.cgi?id=1518656
  [ 2 ] Bug #1518657 - CVE-2017-17563 xsa249 xen: broken x86 shadow mode refcount overflow
check (XSA-249)
        https://bugzilla.redhat.com/show_bug.cgi?id=1518657
  [ 3 ] Bug #1518658 - CVE-2017-17564 xsa250 xen: improper x86 shadow mode refcount error
handling (XSA-250)
        https://bugzilla.redhat.com/show_bug.cgi?id=1518658
  [ 4 ] Bug #1518659 - CVE-2017-17565 xsa251 xen: improper bug check in x86 log-dirty
handling (XSA-251)
        https://bugzilla.redhat.com/show_bug.cgi?id=1518659
  [ 5 ] Bug #1513335 - CVE-2017-17044 xsa246 xen: x86: infinite loop due to missing PoD
error checking (XSA-246)
        https://bugzilla.redhat.com/show_bug.cgi?id=1513335
  [ 6 ] Bug #1513336 - CVE-2017-17045 xsa247 xen: Missing p2m error checking in PoD code
(XSA-247)
        https://bugzilla.redhat.com/show_bug.cgi?id=1513336
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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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