Security update for xen (important)

The XEN virtualization was updated to fix bugs and security issues:

Security issues fixed: CVE-2015-0361: XSA-116: xen: xen crash due to use
after free on hvm guest teardown

CVE-2014-9065, CVE-2014-9066: XSA-114: xen: p2m lock starvation

CVE-2014-9030: XSA-113: Guest effectable page reference leak in
MMU_MACHPHYS_UPDATE handling

CVE-2014-8867: XSA-112: xen: Insufficient bounding of "REP MOVS" to MMIO
emulated inside the hypervisor

CVE-2014-8866: XSA-111: xen: Excessive checking in compatibility mode
hypercall argument translation

CVE-2014-8595: XSA-110: xen: Missing privilege level checks in x86
emulation of far branches

CVE-2014-8594: XSA-109: xen: Insufficient restrictions on certain MMU
update hypercalls

CVE-2013-3495: XSA-59: xen: Intel VT-d Interrupt Remapping engines can be
evaded by native NMI interrupts

CVE-2014-5146, CVE-2014-5149: xen: XSA-97 Long latency virtual-mmu
operations are not preemptible

Bugs fixed:

• Restore missing fixes from block-dmmd script

• bnc#904255 - XEN boot hangs in early boot on UEFI system

• Fix missing banner by restoring figlet program

• bnc#903357 - Corrupted save/restore test leaves orphaned data in xenstore

• bnc#903359 - Temporary migration name is not cleaned up after migration

• bnc#903850 - Xen: guest user mode triggerable VM exits not handled by
  hypervisor

• bnc#866902 - Xen save/restore of HVM guests cuts off disk and networking

• bnc#901317 - increase limit domUloader to 32MB

• bnc#898772 - SLES 12 RC3 - XEN Host crashes when assigning non-VF device
  (SR-IOV) to guest

• bnc#882089 - Windows 2012 R2 fails to boot up with greater than 60 vcpus

• bsc#900292 - xl: change default dump directory

• Update xen2libvirt.py to better detect and handle file formats

• bnc#882089 - Windows 2012 R2 fails to boot up with greater than 60 vcpus

• bnc#897906 - libxc: check return values on mmap() and madvise()
  on xc_alloc_hypercall_buffer()

• bnc#896023 - Adjust xentop column layout