bionic/linux: 4.15.0-75.85 -proposed tracker

[Marcelo Cerri]

This bug will contain status and test results related to a kernel source (or snap) as stated in the title.

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

-- swm properties --
boot-testing-requested: true
bugs-spammed: true
packages:
  lrm: linux-restricted-modules
  main: linux
  meta: linux-meta
  signed: linux-signed
phase: Testing
phase-changed: Thursday, 16. January 2020 01:07 UTC
proposed-announcement-sent: true
proposed-testing-requested: true
reason:
  automated-testing: Ongoing -- testing in progress
  certification-testing: Ongoing -- testing in progress
  regression-testing: Ongoing -- testing in progress
  security-signoff: Stalled -- waiting for signoff
  verification-testing: Ongoing -- testing in progress
trackers:
  bionic/linux-aws: bug 1859795
  bionic/linux-oem: bug 1859702
  bionic/linux-raspi2: bug 1859700
  bionic/linux-snapdragon: bug 1859793
  bionic/linux/pc-kernel: bug 1859697
  bionic/linux/pc-lowlatency-kernel: bug 1859698
  xenial/linux-azure: bug 1859798
  xenial/linux-hwe: bug 1859704
variant: debs

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 4.15.0-76.86

---------------
linux (4.15.0-76.86) bionic; urgency=medium

  * bionic/linux: 4.15.0-76.86 -proposed tracker (LP: #1860123)

  * Integrate Intel SGX driver into linux-azure (LP: #1844245)
    - [Packaging] Add systemd service to load intel_sgx

  * [Regression] Bionic kernel 4.15.0-71.80 can not boot on ThunderX
    (LP: #1853326) // Bionic kernel panic on Cavium ThunderX CN88XX
    (LP: #1853485) // Cavium ThunderX CN88XX crashes on boot (LP: #1857074)
    - arm64: Check for errata before evaluating cpu features
    - arm64: add sentinel to kpti_safe_list

linux (4.15.0-75.85) bionic; urgency=medium

  * bionic/linux: 4.15.0-75.85 -proposed tracker (LP: #1859705)

  * use-after-free in i915_ppgtt_close (LP: #1859522) // CVE-2020-7053
    - SAUCE: drm/i915: Fix use-after-free when destroying GEM context

  * CVE-2019-14615
    - drm/i915/gen9: Clear residual context state on context switch

  * PAN is broken for execute-only user mappings on ARMv8 (LP: #1858815)
    - arm64: Revert support for execute-only user mappings

  * [Regression] usb usb2-port2: Cannot enable. Maybe the USB cable is bad?
    (LP: #1856608)
    - SAUCE: Revert "usb: handle warm-reset port requests on hub resume"

  * Miscellaneous Ubuntu changes
    - update dkms package versions

 -- Marcelo Henrique Cerri <email address hidden> Fri, 17 Jan 2020 10:59:22 -0300