linux: 3.13.0-140.189 -proposed tracker

[Marcelo Cerri]

This bug is for tracking the <version to be filled> upload package. This bug will contain status and testing results related to that upload.

For an explanation of the tasks and the associated workflow see: https://wiki.ubuntu.com/Kernel/kernel-sru-workflow

backports: 1743376
derivatives:
-- swm properties --
boot-testing-requested: true
phase: Promoted to proposed
proposed-announcement-sent: true
proposed-testing-requested: true

[Po-Hsu Lin (cypressyew)]

Potential regression:
Bug 1744226 test_too_early_vsyscall from ubuntu_qrt_kernel_panic crashes Trusty 3.13.0-140 amd64 system
Bug 1744199 ubuntu_32_on_64 test crash Trusty 3.13.0-140 amd64 system

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 3.13.0-141.190

---------------
linux (3.13.0-141.190) trusty; urgency=low

  * linux: 3.13.0-141.190 -proposed tracker (LP: #1744308)

  * ubuntu_32_on_64 test crash Trusty 3.13.0-140 amd64 system (LP: #1744199) //
    test_too_early_vsyscall from ubuntu_qrt_kernel_panic crashes Trusty
    3.13.0-140 amd64 system (LP: #1744226) // CVE-2017-5715 // CVE-2017-5753
    - SAUCE: x86/entry: Fixup 32bit compat call locations

  * CVE-2017-5715 // CVE-2017-5753
    - SAUCE: x86/cpuid: Fix ordering of scattered feature list
    - SAUCE: KVM: Fix spec_ctrl CPUID support for guests

  * CVE-2017-5754
    - kaiser: Set _PAGE_NX only if supported
    - kaiser: Set _PAGE_NX only if supported

linux (3.13.0-140.189) trusty; urgency=low

  * linux: 3.13.0-140.189 -proposed tracker (LP: #1743375)

  [ Stefan Bader ]
  * CVE-2017-5715 // CVE-2017-5753
    - x86, microcode: Share native MSR accessing variants
    - x86: Add another set of MSR accessor functions
    - x86/cpuid: Provide get_scattered_cpuid_leaf()
    - kvm: vmx: Scrub hardware GPRs at VM-exit
    - SAUCE: locking/barriers: introduce new memory barrier gmb()
    - SAUCE: uvcvideo: prevent speculative execution
    - SAUCE: carl9170: prevent speculative execution
    - SAUCE: p54: prevent speculative execution
    - SAUCE: qla2xxx: prevent speculative execution
    - SAUCE: cw1200: prevent speculative execution
    - SAUCE: userns: prevent speculative execution
    - SAUCE: fs: prevent speculative execution
    - SAUCE: udf: prevent speculative execution
    - SAUCE: x86/feature: Enable the x86 feature to control Speculation
    - SAUCE: x86/feature: Report presence of IBPB and IBRS control
    - SAUCE: x86/enter: MACROS to set/clear IBRS and set IBPB
    - SAUCE: x86/enter: Use IBRS on syscall and interrupts
    - SAUCE: x86/idle: Disable IBRS entering idle and enable it on wakeup
    - SAUCE: x86/idle: Disable IBRS when offlining cpu and re-enable on wakeup
    - SAUCE: x86/mm: Set IBPB upon context switch
    - SAUCE: x86/mm: Only set IBPB when the new thread cannot ptrace current
      thread
    - SAUCE: x86/entry: Stuff RSB for entry to kernel for non-SMEP platform
    - SAUCE: x86/kvm: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD to kvm
    - SAUCE: x86/kvm: Set IBPB when switching VM
    - SAUCE: x86/kvm: Toggle IBRS on VM entry and exit
    - SAUCE: x86/kvm: Pad RSB on VM transition
    - SAUCE: x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature
    - SAUCE: x86/spec_ctrl: Add lock to serialize changes to ibrs and ibpb control
    - SAUCE: x86/entry: Use retpoline for syscall's indirect calls
    - SAUCE: x86/cpu/AMD: Add speculative control support for AMD
    - SAUCE: x86/microcode: Extend post microcode reload to support IBPB feature
    - SAUCE: KVM: SVM: Do not intercept new speculative control MSRs
    - SAUCE: x86/svm: Set IBRS value on VM entry and exit
    - SAUCE: x86/svm: Set IBPB when running a different VCPU
    - SAUCE: KVM: x86: Add speculative control CPUID support for guests
    - SAUCE: x86/svm: Add code to clobber the RSB on VM exit
    - SAUCE: x86/cpu/AMD: Make the LFENCE instruction serialized
    - SAUCE: x...