linux: 4.13.0-31.34 -proposed tracker

[Stefan Bader]

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: 1744295,1742725,1744298,1743418,1742723,1742726
derivatives: 1743419
-- swm properties --
boot-testing-requested: true
phase: Released
proposed-announcement-sent: true
proposed-testing-requested: true

[Kleber Sacilotto de Souza (kleber-souza)]

Setting automated-testing to 'Fix Released' based on results from previous version (4.13.0-30.33).

http://people.canonical.com/~kernel/status/adt-matrix/artful-linux-meta.html

[Kleber Sacilotto de Souza (kleber-souza)]

No regression found.

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 4.13.0-31.34

---------------
linux (4.13.0-31.34) artful; urgency=low

  * linux: 4.13.0-31.34 -proposed tracker (LP: #1744294)

  [ Stefan Bader ]
  * CVE-2017-5715 // CVE-2017-5753
    - SAUCE: s390: improve cpu alternative handling for gmb and nobp
    - SAUCE: s390: print messages for gmb and nobp
    - [Config] KERNEL_NOBP=y

linux (4.13.0-30.33) artful; urgency=low

  * linux: 4.13.0-30.33 -proposed tracker (LP: #1743412)

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

  * Unable to handle kernel NULL pointer dereference at isci_task_abort_task
    (LP: #1726519)
    - Revert "scsi: libsas: allow async aborts"

  * CVE-2017-5715 // CVE-2017-5753
    - 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

linux (4.13.0-29.32) artful; urgency=low

  * linux: 4.13.0-29.32 -proposed tracker (LP: #1742722)

  * CVE-2017-5754
    - Revert "x86/cpu: Implement CPU vulnerabilites sysfs functions"
    - Revert "sysfs/cpu: Fix typos in vulnerability documentation"
    - Revert "sysfs/cpu: Add vulnerability folder"
    - Revert "UBUNTU: [Config] updateconfigs to enable
      GENERIC_CPU_VULNERABILITIES"

linux (4.13.0-28.31) artful; urgency=low

  * CVE-2017-5753
    - SAUCE: x86/kvm: Fix stuff_RSB() for 32-bit

  * CVE-2017-5715
    - SAUCE: x86/kvm: Fix stuff_RSB() for 32-bit

linux (4.13.0-27.30) artful; urgency=low

  [ Andy Whitcroft ]
  * CVE-2017-5753
    - 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
    - p54: prevent speculative execution
    - qla2xxx: prevent speculative execution
    - cw1200: 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 fea...

[Brad Figg (brad-figg)]

The package has been published and the bug is being set to Fix Released

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 4.13.0-32.35

---------------
linux (4.13.0-32.35) artful; urgency=low

  * CVE-2017-5715 // CVE-2017-5753
    - SAUCE: x86/entry: Fix up retpoline assembler labels

 -- Stefan Bader <email address hidden> Tue, 23 Jan 2018 09:13:39 +0100