group.of.nepali.translators team mailing list archive

[Launchpad Bug Tracker <1767133@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 4.15.0-22.24

---------------
linux (4.15.0-22.24) bionic; urgency=medium

  * CVE-2018-3639 (powerpc)
    - powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit
    - stf-barrier: set eieio instruction bit 6 for future optimisations

  * CVE-2018-3639 (x86)
    - x86/nospec: Simplify alternative_msr_write()
    - x86/bugs: Concentrate bug detection into a separate function
    - x86/bugs: Concentrate bug reporting into a separate function
    - x86/bugs: Read SPEC_CTRL MSR during boot and re-use reserved bits
    - x86/bugs, KVM: Support the combination of guest and host IBRS
    - x86/bugs: Expose /sys/../spec_store_bypass
    - x86/cpufeatures: Add X86_FEATURE_RDS
    - x86/bugs: Provide boot parameters for the spec_store_bypass_disable
      mitigation
    - x86/bugs/intel: Set proper CPU features and setup RDS
    - x86/bugs: Whitelist allowed SPEC_CTRL MSR values
    - x86/bugs/AMD: Add support to disable RDS on Fam[15,16,17]h if requested
    - x86/KVM/VMX: Expose SPEC_CTRL Bit(2) to the guest
    - x86/speculation: Create spec-ctrl.h to avoid include hell
    - prctl: Add speculation control prctls
    - x86/process: Allow runtime control of Speculative Store Bypass
    - x86/speculation: Add prctl for Speculative Store Bypass mitigation
    - nospec: Allow getting/setting on non-current task
    - proc: Provide details on speculation flaw mitigations
    - seccomp: Enable speculation flaw mitigations
    - x86/bugs: Make boot modes __ro_after_init
    - prctl: Add force disable speculation
    - seccomp: Use PR_SPEC_FORCE_DISABLE
    - seccomp: Add filter flag to opt-out of SSB mitigation
    - seccomp: Move speculation migitation control to arch code
    - x86/speculation: Make "seccomp" the default mode for Speculative Store
      Bypass
    - x86/bugs: Rename _RDS to _SSBD
    - proc: Use underscores for SSBD in 'status'
    - Documentation/spec_ctrl: Do some minor cleanups
    - x86/bugs: Fix __ssb_select_mitigation() return type
    - x86/bugs: Make cpu_show_common() static

  * LSM Stacking prctl values should be redefined as to not collide with
    upstream prctls (LP: #1769263) // CVE-2018-3639
    - SAUCE: LSM stacking: adjust prctl values

linux (4.15.0-21.22) bionic; urgency=medium

  * linux: 4.15.0-21.22 -proposed tracker (LP: #1767397)

  * initramfs-tools exception during pm.DoInstall with  do-release-upgrade from
    16.04 to 18.04  (LP: #1766727)
    - Add linux-image-* Breaks on s390-tools (<< 2.3.0-0ubuntu3)

  * linux-image-4.15.0-20-generic install after upgrade from xenial breaks
    (LP: #1767133)
    - Packaging: Depends on linux-base that provides the necessary tools

  * linux-image packages need to Breaks flash-kernel << 3.90ubuntu2
    (LP: #1766629)
    - linux-image-* breaks on flash-kernel (<< 3.90ubuntu2)

 -- Stefan Bader <stefan.bader@xxxxxxxxxxxxx>  Tue, 15 May 2018 07:41:28
+0200

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

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https://bugs.launchpad.net/bugs/1767133

Title:
  linux-image-4.15.0-20-generic install after upgrade from xenial breaks

Status in linux package in Ubuntu:
  Fix Released
Status in linux-hwe-edge package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  Invalid
Status in linux-hwe-edge source package in Xenial:
  Fix Released
Status in linux source package in Bionic:
  Fix Released
Status in linux-hwe-edge source package in Bionic:
  Invalid

Bug description:
  [Impact]
  Some upgrades from xenial to bionic break.

  [Test Case]
  Change sources.list from xenial to bionic, then apt install linux-image-4.15.0-20-generic.

  [Regression Potential]
  The kernel may be uninstallable if there is no linux-base with the appropriate version in the archive.

  ----

  When installing the linux-image-4.15.0-20-generic kernel from bionic
  on xenial breaks because of the unversioned Depends on linux-base.

  /var/lib/dpkg/info/linux-image-4.15.0-20-generic.postinst: 50: /var/lib/dpkg/info/linux-image-4.15.0-20-generic.postinst: linux-update-symlinks: not found
  dpkg: error processing package linux-image-4.15.0-20-generic (--configure):
   subprocess installed post-installation script returned error exit status 127
  Errors were encountered while processing:
   linux-image-4.15.0-20-generic
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  If the trigger is called, when some meta packages are installed, it
  won't happen. If all packages are upgraded, it's possible linux-base
  is going to be upgraded first, so the problem won't happen either.

  So, not all upgrades will be affected.

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