Unbreakable Enterprise kernel security update

[4.1.12-124.15.1]

• netfilter: nfnetlink_cthelper: Add missing permission checks (Kevin Cernekee) [Orabug: 27260771] {CVE-2017-17448}
• netlink: Add netns check on taps (Kevin Cernekee) [Orabug: 27260799] {CVE-2017-17449}
• KVM: Fix stack-out-of-bounds read in write_mmio (Wanpeng Li) [Orabug: 27290606] {CVE-2017-17741} {CVE-2017-17741}
• xprtrdma: Detect unreachable NFS/RDMA servers more reliably (Chuck Lever) [Orabug: 27587008]
• sunrpc: Export xprt_force_disconnect() (Chuck Lever) [Orabug: 27587008]
• sunrpc: Allow xprt->ops->timer method to sleep (Chuck Lever) [Orabug: 27587008]
• KVM: nVMX: fix guest CR4 loading when emulating L2 to L1 exit (Haozhong Zhang) [Orabug: 27720128]
• x86/microcode: probe CPU features on microcode update (Ankur Arora) [Orabug: 27878230]
• x86/microcode: microcode_write() should not reference boot_cpu_data (Ankur Arora) [Orabug: 27878230]
• x86/cpufeatures: use cpu_data in init_scattered_cpuid_flags() (Ankur Arora) [Orabug: 27878230]
• mm/pagewalk.c: report holes in hugetlb ranges (Jann Horn) [Orabug: 27913118] {CVE-2017-16994}
• KEYS: dont let add_key() update an uninstantiated key (David Howells) [Orabug: 27913330] {CVE-2017-15299}
• drm/vmwgfx: NULL pointer dereference in vmw_surface_define_ioctl() (Murray McAllister) [Orabug: 27913367] {CVE-2017-7294}
• vmscan: Support multiple kswapd threads per node (Buddy Lumpkin) [Orabug: 27913411]
• tcp: dont use F-RTO on non-recurring timeouts (Yuchung Cheng) [Orabug: 27901860]
• net/rds: ib: Release correct number of frags (Hakon Bugge) [Orabug: 27924161]
• crypto: rng - Remove old low-level rng interface (Herbert Xu) [Orabug: 27926676] {CVE-2017-15116}
• crypto: drbg - Convert to new rng interface (Herbert Xu) [Orabug: 27926676] {CVE-2017-15116}
• crypto: ansi_cprng - Convert to new rng interface (Herbert Xu) [Orabug: 27926676] {CVE-2017-15116}
• crypto: krng - Convert to new rng interface (Herbert Xu) [Orabug: 27926676] {CVE-2017-15116}
• RDS: Heap OOB write in rds_message_alloc_sgs() (Mohamed Ghannam) [Orabug: 27934066] {CVE-2018-5332}
• net: Fix double free and memory corruption in get_net_ns_by_id() (Eric W. Biederman) [Orabug: 27934789] {CVE-2017-15129}