Fedora 25: 2017-f2577f2108 Critical: Xen Denial of Service Update

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

update to xen-4.7.4 update Source0 location ---- 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)

[ 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

su -c 'dnf upgrade xen' at the command line.

For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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