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[Launchpad Bug Tracker <1836706@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux-aws - 5.0.0-1012.13

---------------
linux-aws (5.0.0-1012.13) disco; urgency=medium

  * add support for Amazon Graviton PCIe controller (LP: #1834962)
    - PCI: al: Add Amazon Annapurna Labs PCIe host controller driver
    - genirq/msi: Add a new field in msi_desc to store an IOMMU cookie
    - iommu/dma-iommu: Split iommu_dma_map_msi_msg() in two parts
    - irqchip/gicv2m: Don't map the MSI page in gicv2m_compose_msi_msg()
    - SAUCE: irqchip/gic: Add support for Amazon Graviton variant of GICv3+GICv2m
    - SAUCE: [aws] arm64: acpi/pci: invoke _DSM whether to preserve firmware PCI
      setup
    - [Config] aws: set CONFIG_IRQ_MSI_IOMMU=y

  * CVE-2019-1125
    - x86/cpufeatures: Carve out CQM features retrieval
    - x86/cpufeatures: Combine word 11 and 12 into a new scattered features word
    - x86/speculation: Prepare entry code for Spectre v1 swapgs mitigations
    - x86/speculation: Enable Spectre v1 swapgs mitigations
    - x86/entry/64: Use JMP instead of JMPQ
    - x86/speculation/swapgs: Exclude ATOMs from speculation through SWAPGS

  * linux-aws builds modules which are not shipped (LP: #1836706)
    - [Packaging] Start shipping modules-extra

 -- Kleber Sacilotto de Souza <kleber.souza@xxxxxxxxxxxxx>  Fri, 02 Aug
2019 12:32:10 +0200

** Changed in: linux-aws (Ubuntu Disco)
       Status: Fix Committed => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-1125

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https://bugs.launchpad.net/bugs/1836706

Title:
  linux-aws builds modules which are not shipped

Status in linux-aws package in Ubuntu:
  In Progress
Status in linux-aws source package in Xenial:
  Fix Committed
Status in linux-aws source package in Bionic:
  Fix Committed
Status in linux-aws source package in Disco:
  Fix Released

Bug description:
  [SRU Justification]

  == Impact ==

  The build of AWS kernels currently is set up in a way that, like the
  generic kernel, builds a larger number of modules than it actually
  provides in the main modules package. However, unlike the generic
  kernel, it does not provide a linux-modules-extra which contains all
  those built modules.

  So there is no way for users to get modules which were deemed
  unnecessary in the AWS cloud space. But this also causes problems in
  cases where out of tree modules are being tried to compile. Those will
  configure themselves based on the provided config and then might
  depend on functionality which is provided in some module that is not
  part of the non-extra set.

  == Fix ==

  To fix this, but also to get all of the kernels aligned, the AWS
  kernel should start to provide a linux-modules-extra which contains
  all those modules not shipped in the main modules packages. Since the
  default linux-aws meta package is supposed to only install the minimal
  set, there needs to be a linux-modules-extra-aws meta package which
  keeps the extra modules in sync with the kernel.

  == Testcase ==

  sudo apt-get install linux-modules-extra-aws

  This should download and install additional kernel modules.

  == Risk of Regression ==

  Low, this will start to ship an additional package which is not
  installed by default.

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