Unbreakable Enterprise kernel security update

[2.6.39-400.248.3]

• kvm: fix excessive pages un-pinning in kvm_iommu_map error path. (Quentin Casasnovas) [Orabug: 20687314] {CVE-2014-3601} {CVE-2014-8369} {CVE-2014-3601}
• Revert ‘mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support’ (Guangyu Sun) [Orabug: 20673281] {CVE-2014-8173}
  [2.6.39-400.248.2]
• netfilter: conntrack: disable generic tracking for known protocols (Florian Westphal) [Orabug: 20679630] {CVE-2014-8160}
• mac80211: fix fragmentation code, particularly for encryption (Johannes Berg) [Orabug: 20673313] {CVE-2014-8709}
• mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support (Kirill A. Shutemov) [Orabug: 20673282] {CVE-2014-8173}
• tracing/syscalls: Ignore numbers outside NR_syscalls’ range (Rabin Vincent) [Orabug: 20673164] {CVE-2014-7825} {CVE-2014-7826}
• tracing/syscalls: Fix perf syscall tracing when syscall_nr == -1 (Will Deacon) [Orabug: 20673164] {CVE-2014-7825} {CVE-2014-7826}
  [2.6.39-400.248.1]
• NVMe: Disable pci before clearing queue (Keith Busch) [Orabug: 20533100]
• x86, fpu: disable eagerfpu by default (Santosh Shilimkar) [Orabug: 20521543]