Security update for Xen (important)

XEN was updated to fix various bugs and security issues:

The following security issues have been fixed:

• CVE-2012-4544: xen: Domain builder Out-of-memory due
  to malicious kernel/ramdisk (XSA 25)
• CVE-2012-4411: XEN / qemu: guest administrator can
  access qemu monitor console (XSA-19)
• CVE-2012-4535: xen: Timer overflow DoS vulnerability
  (XSA 20)
• CVE-2012-4536: xen: pirq range check DoS
  vulnerability (XSA 21)
• CVE-2012-4537: xen: Memory mapping failure DoS
  vulnerability (XSA 22)
• CVE-2012-4538: xen: Unhooking empty PAE entries DoS
  vulnerability (XSA 23)
• CVE-2012-4539: xen: Grant table hypercall infinite
  loop DoS vulnerability (XSA 24)
• CVE-2012-3497: xen: multiple TMEM hypercall
  vulnerabilities (XSA-15)

Also the following bugs have been fixed and upstream
patches have been applied:

bnc#784087 - L3: Xen BUG at io_apic.c:129
26102-x86-IOAPIC-legacy-not-first.patch

Upstream patches merged:
26054-x86-AMD-perf-ctr-init.patch
26055-x86-oprof-hvm-mode.patch
26056-page-alloc-flush-filter.patch
26061-x86-oprof-counter-range.patch
26062-ACPI-ERST-move-data.patch
26063-x86-HPET-affinity-lock.patch
26093-HVM-PoD-grant-mem-type.patch
25931-x86-domctl-iomem-mapping-checks.patch
25952-x86-MMIO-remap-permissions.patch
25808-domain_create-return-value.patch
25814-x86_64-set-debugreg-guest.patch
25815-x86-PoD-no-bug-in-non-translated.patch
25816-x86-hvm-map-pirq-range-check.patch
25833-32on64-bogus-pt_base-adjust.patch
25834-x86-S3-MSI-resume.patch
25835-adjust-rcu-lock-domain.patch
25836-VT-d-S3-MSI-resume.patch 25850-tmem-xsa-15-1.patch
25851-tmem-xsa-15-2.patch 25852-tmem-xsa-15-3.patch
25853-tmem-xsa-15-4.patch 25854-tmem-xsa-15-5.patch
25855-tmem-xsa-15-6.patch 25856-tmem-xsa-15-7.patch
25857-tmem-xsa-15-8.patch 25858-tmem-xsa-15-9.patch
25859-tmem-missing-break.patch 25860-tmem-cleanup.patch
25883-pt-MSI-cleanup.patch
25927-x86-domctl-ioport-mapping-range.patch
25929-tmem-restore-pool-version.patch

bnc#778105 - first XEN-PV VM fails to spawn xend:
Increase wait time for disk to appear in host bootloader
Modified existing xen-domUloader.diff

25752-ACPI-pm-op-valid-cpu.patch
25754-x86-PoD-early-access.patch 25755-x86-PoD-types.patch
25756-x86-MMIO-max-mapped-pfn.patch