[ubuntu/xenial-updates] linux-euclid 4.4.0-9023.24 (Accepted)

[Łukasz Zemczak]

linux-euclid (4.4.0-9023.24) xenial; urgency=low

  * linux-euclid: 4.4.0-9023.24 -proposed tracker (LP: #1743367)

  * Do not duplicate changelog entries assigned to more than one bug or CVE
    (LP: #1743383)
    - [Packaging] git-ubuntu-log -- handle multiple bugs/cves better

  * CVE-2017-5715 // CVE-2017-5753
    - x86/microcode/AMD: Add support for fam17h microcode loading
    - bpf: add bpf_patch_insn_single helper
    - bpf: prepare bpf_int_jit_compile/bpf_prog_select_runtime apis
    - bpf: add generic constant blinding for use in jits
    - locking/barriers: introduce new memory barrier gmb()
    - bpf: prevent speculative execution in eBPF interpreter
    - x86, bpf, jit: prevent speculative execution when JIT is enabled
    - uvcvideo: prevent speculative execution
    - carl9170: prevent speculative execution
    - qla2xxx: prevent speculative execution
    - Thermal/int340x: prevent speculative execution
    - userns: prevent speculative execution
    - ipv6: prevent speculative execution
    - fs: prevent speculative execution
    - net: mpls: prevent speculative execution
    - udf: prevent speculative execution
    - x86/feature: Enable the x86 feature to control Speculation
    - x86/feature: Report presence of IBPB and IBRS control
    - x86/enter: MACROS to set/clear IBRS and set IBPB
    - x86/enter: Use IBRS on syscall and interrupts
    - x86/idle: Disable IBRS entering idle and enable it on wakeup
    - x86/idle: Disable IBRS when offlining cpu and re-enable on wakeup
    - x86/mm: Set IBPB upon context switch
    - x86/mm: Only set IBPB when the new thread cannot ptrace current thread
    - x86/entry: Stuff RSB for entry to kernel for non-SMEP platform
    - x86/kvm: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD to kvm
    - x86/kvm: Set IBPB when switching VM
    - x86/kvm: Toggle IBRS on VM entry and exit
    - x86/kvm: Pad RSB on VM transition
    - x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature
    - x86/spec_ctrl: Add lock to serialize changes to ibrs and ibpb control
    - x86/syscall: Clear unused extra registers on syscall entrance
    - x86/syscall: Clear unused extra registers on 32-bit compatible syscall
      entrance
    - x86/entry: Use retpoline for syscall's indirect calls
    - x86/cpu/amd, kvm: Satisfy guest kernel reads of IC_CFG MSR
    - x86/cpu/AMD: Add speculative control support for AMD
    - x86/microcode: Extend post microcode reload to support IBPB feature
    - KVM: SVM: Do not intercept new speculative control MSRs
    - x86/svm: Set IBRS value on VM entry and exit
    - x86/svm: Set IBPB when running a different VCPU
    - KVM: x86: Add speculative control CPUID support for guests
    - x86/svm: Add code to clobber the RSB on VM exit
    - x86/svm: Add code to clear registers on VM exit
    - x86/cpu/AMD: Make the LFENCE instruction serialized
    - x86/cpu/AMD: Remove now unused definition of MFENCE_RDTSC feature
    - SAUCE: x86/kvm: Fix stuff_RSB() for 32-bit
    - SAUCE: x86/microcode: Extend post microcode reload to support IBPB feature
      -- repair missmerge
    - Revert "x86/svm: Add code to clear registers on VM exit"
    - kvm: vmx: Scrub hardware GPRs at VM-exit

  * CVE-2017-5754
    - x86/tlb: Drop the _GPL from the cpu_tlbstate export
    - Map the vsyscall page with _PAGE_USER

Date: 2018-01-15 16:28:21.380784+00:00
Changed-By: Kleber Sacilotto de Souza <kleber.souza at canonical.com>
Signed-By: Łukasz Zemczak <lukasz.zemczak at canonical.com>
https://launchpad.net/ubuntu/+source/linux-euclid/4.4.0-9023.24
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