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xen (4.4.1-0ubuntu0.14.04.5) trusty-security; urgency=low

  * Applying Xen Security Advisories:
    * CVE-2014-5146 / XSA-97 (HAP, reworked)
      - x86/paging: make log-dirty operations preemptible
    * CVE-2015-2752 / XSA-125
      - Limit XEN_DOMCTL_memory_mapping hypercall to only process up
        to 64 GFNs (or less)
    * CVE-2015-2756 / XSA-126 (qemu-dm)
      - xen: limit guest control of PCI command register
    * CVE-2015-2751 / XSA-127
      - domctl: don't allow a toolstack domain to call domain_pause() on
        itself
 -- Stefan Bader <email address hidden>   Tue, 07 Apr 2015 11:42:08 +0200

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