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Fedora Update Notification
FEDORA-2017-c31799ee4a
2017-11-21 20:38:55.508767
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Name : xen
Product : Fedora 27
Version : 4.9.0
Release : 14.fc27
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:

fix an issue in patch for [XSA-240, CVE-2017-15595] that might be a security
issue fix for [XSA-243, CVE-2017-15592] could cause hypervisor crash (DOS)
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References:

[ 1 ] Bug #1499823 – CVE-2017-15592 xsa243 xen: x86: Incorrect handling of self-linear shadow mappings with translated guests (XSA-243)
https://bugzilla.redhat.com/show_bug.cgi?id=1499823
[ 2 ] Bug #1499820 – CVE-2017-15595 xsa240 xen: Unlimited recursion in linear pagetable de-typing (XSA-240)
https://bugzilla.redhat.com/show_bug.cgi?id=1499820
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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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