[ELSA-2018-4172] Unbreakable Enterprise kernel security update

[2.6.39-400.300.2]
- Revert 'RDS: don't commit to queue till transport connection is up' (Santosh Shilimkar) [Orabug: 27619034]
- KVM: Fix stack-out-of-bounds read in write_mmio (Wanpeng Li) [Orabug: 27951293] {CVE-2017-17741} {CVE-2017-17741}
- kernel/exit.c: avoid undefined behaviour when calling wait4() wait4(-2147483648, 0x20, 0, 0xdd0000) triggers: UBSAN: Undefined behaviour in kernel/exit.c:1651:9 (mridula shastry) [Orabug: 28049790] {CVE-2018-10087}
- kernel/signal.c: avoid undefined behaviour in kill_something_info When running kill(72057458746458112, 0) in userspace I hit the following issue. (mridula shastry) [Orabug: 28082989] {CVE-2018-10124}
- bluetooth: Validate socket address length in sco_sock_bind(). (mlevatic) [Orabug: 28130291] {CVE-2015-8575}
- x86/bug: Fix typo's from commit b2d2b5b2 (x86/fpu: Make eager FPU default) (Mihai Carabas) [Orabug: 28194606]
- dccp: check sk for closed state in dccp_sendmsg() (Alexey Kodanev) [Orabug: 28220512] {CVE-2017-8824} {CVE-2018-1130}
- mm/mempolicy.c: fix error handling in set_mempolicy and mbind. (Chris Salls) [Orabug: 28242479] {CVE-2017-7616}
- xfrm: policy: check policy direction value (Vladis Dronov) [Orabug: 28264531] {CVE-2017-11600} {CVE-2017-11600}