Unbreakable Enterprise kernel security update

[4.1.12-112.14.5]

• x86/ibrs: Remove ‘ibrs_dump’ and remove the pr_debug (Konrad Rzeszutek Wilk) [Orabug: 27350825]
  [4.1.12-112.14.4]
• kABI: Revert kABI: Make the boot_cpu_data look normal (Konrad Rzeszutek Wilk) {CVE-2017-5715}
  [4.1.12-112.14.3]
• userns: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• udf: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• net: mpls: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• fs: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• ipv6: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• ipv4: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• Thermal/int340x: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• cw1200: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• qla2xxx: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• p54: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• carl9170: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• uvcvideo: prevent speculative execution (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• bpf: prevent speculative execution in eBPF interpreter (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• locking/barriers: introduce new observable speculation barrier (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• x86/cpu/AMD: Remove now unused definition of MFENCE_RDTSC feature (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• x86/cpu/AMD: Make the LFENCE instruction serialized (Elena Reshetova) [Orabug: 27340459] {CVE-2017-5753}
• kABI: Make the boot_cpu_data look normal. (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715}
• kernel.spec: Require the new microcode_ctl. (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715} {CVE-2017-5715}
• x86/microcode/AMD: Add support for fam17h microcode loading (Tom Lendacky) [Orabug: 27339995] {CVE-2017-5715}
• x86/spec_ctrl: Disable if running as Xen PV guest. (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715}
• Set IBPB when running a different VCPU (Dave Hansen) [Orabug: 27339995] {CVE-2017-5715}
• Clear the host registers after setbe (Jun Nakajima) [Orabug: 27339995] {CVE-2017-5715}
• Use the ibpb_inuse variable. (Jun Nakajima) [Orabug: 27339995] {CVE-2017-5715}
• KVM: x86: add SPEC_CTRL to MSR and CPUID lists (Andrea Arcangeli) [Orabug: 27339995] {CVE-2017-5715}
• kvm: vmx: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD (Paolo Bonzini) [Orabug: 27339995] {CVE-2017-5715}
• Use the ‘ibrs_inuse’ variable. (Jun Nakajima) [Orabug: 27339995] {CVE-2017-5715}
• kvm: svm: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD (Andrea Arcangeli) [Orabug: 27339995] {CVE-2017-5715}
• x86/svm: Set IBPB when running a different VCPU (Paolo Bonzini) [Orabug: 27339995] {CVE-2017-5715}
• x86/kvm: Pad RSB on VM transition (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/cpu/AMD: Add speculative control support for AMD (Tom Lendacky) [Orabug: 27339995] {CVE-2017-5715}
• x86/microcode: Recheck IBRS and IBPB feature on microcode reload (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86: Move IBRS/IBPB feature detection to scattered.c (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/spec_ctrl: Add lock to serialize changes to ibrs and ibpb control (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715}
• x86/kvm: clear registers on VM exit (Tom Lendacky) [Orabug: 27339995] {CVE-2017-5715}
• x86/kvm: Set IBPB when switching VM (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• INCOMPLETE x86/syscall: Clear unused extra registers on syscall entrance (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715}
• x86/entry: Stuff RSB for entry to kernel for non-SMEP platform (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715}
• x86/mm: Only set IBPB when the new thread cannot ptrace current thread (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715}
• x86/mm: Set IBPB upon context switch (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/idle: Disable IBRS when offlining cpu and re-enable on wakeup (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/idle: Disable IBRS entering idle and enable it on wakeup (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/spec_ctrl: save IBRS MSR value in paranoid_entry (Andrea Arcangeli) [Orabug: 27339995] {CVE-2017-5715}
• Scaffolding x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/enter: Use IBRS on syscall and interrupts (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86: Add macro that does not save rax, rcx, rdx on stack to disable IBRS (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/enter: MACROS to set/clear IBRS and set IBP (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86/feature: Report presence of IBPB and IBRS control (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}
• x86: Add STIBP feature enumeration (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715}
• x86/cpufeature: Add X86_FEATURE_IA32_ARCH_CAPS and X86_FEATURE_IBRS_ATT (Konrad Rzeszutek Wilk) [Orabug: 27339995] {CVE-2017-5715}
• x86/feature: Enable the x86 feature to control (Tim Chen) [Orabug: 27339995] {CVE-2017-5715}