xen (4.4.2-0ubuntu0.14.04.12) trusty-security; urgency=low
* Applying Xen Security Advisories:
- XSA-217
- x86/mm: disallow page stealing from HVM domains
- XSA-218
- IOMMU: handle IOMMU mapping and unmapping failures
- gnttab: fix unmap pin accounting race
- gnttab: Avoid potential double-put of maptrack entry
- gnttab: correct maptrack table accesses
- XSA-219
- 86/shadow: Hold references for the duration of emulated writes
- XSA-221
- evtchn: avoid NULL derefs
- XSA-222
- xen/memory: Fix return value handing of guest_remove_page()
- guest_physmap_remove_page() needs its return value checked
- XSA-224
- gnttab: Fix handling of dev_bus_addr during unmap
- gnttab: never create host mapping unless asked to
- gnttab: correct logic to get page references during map requests
- gnttab: __gnttab_unmap_common_complete() is all-or-nothing
Date: 2017-07-18 11:49:24.537386+00:00
Changed-By: Stefan Bader <[email protected]>
Signed-By: Marc Deslauriers <[email protected]>
https://launchpad.net/ubuntu/+source/xen/4.4.2-0ubuntu0.14.04.12
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