Security Team Weekly Summary: August 31, 2017



on 30 August 2017

The Security Team weekly reports are intended to be very short summaries of the Security Team’s weekly activities.

If you would like to reach the Security Team, you can find us at the #ubuntu-hardened channel on FreeNode. Alternatively, you can mail the Ubuntu Hardened mailing list at:

During the last week, the Ubuntu Security team:

  • Triaged 287 public security vulnerability reports, retaining the 61 that applied to Ubuntu.
  • Published 6 Ubuntu Security Notices which fixed 13 security issues (CVEs) across 6 supported packages.

Ubuntu Security Notices

Bug Triage

Mainline Inclusion Requests

Updates to Community Supported Packages

  • Simon Quigley (tsimonq2) provided a debdiff for trusty for kdepimlibs (LP: #1630700)

  • Simon Quigley (tsimonq2) provided a debdiff for xenial for kcoreaddons (LP: #1630700)

  • Simon Quigley (tsimonq2) provided debdiffs for trusty-zesty for varnish (LP: #1708354)


  • Updated review tools to calculate uncompressed squashfs size and error out if too large. Update to unpack to SNAP_USER_COMMON and cleanup stale review directories.
  • review-tools fix for LP: #1712476

  • review-tools: implement new ‘reload-command’ yaml and new execstack checks
  • Submitted apparmor pull for artful to the Kernel Team.
  • Submitted seccomp logging patch set for both artful 4.12 and artful 4.13 kernels.
  • Submitted PR 3804 for user and group name lookups in snap-seccomp in support of snap privilege dropping.
  • Submitted PR 3805 to stop hardcoding uids and gids (for ‘root’ and ‘shadow’).
  • Submitted libseccomp PR for improved logging changes (

  • fixed a libseccomp test runner bug that was causing a class of tests to not run (

  • Work with design on ‘Snap interfaces GUI descriptions’
  • Perform various PR reviews in support of cross-distro and improved udev tagging
  • Meet with snapd team (Gustavo) on final designs for new desktop interfaces (PR 3719)

What the Security Team is Reading This Week

Weekly Meeting

More Info

Ubuntu cloud

Ubuntu offers all the training, software infrastructure, tools, services and support you need for your public and private clouds.

Sign up for email updates

Choose the topics you're interested in


Related posts

Firefox Quantum snap now available on Linux-based devices

London, UK, 19 March 2018: Canonical, the company behind Ubuntu, today announced that Mozilla has launched a Firefox snap bringing their latest Quantum browser to multiple Linux distributions, including Ubuntu. Developed by Canonical,…

Your first robot: Sharing with others [5/5]

This article originally appeared on Kyle Fazzari’s blog and is the fifth and final installment in a series. This is the fifth (and final) blog post in this series about creating your first robot with ROS and Ubuntu Core. In the previous…

Ubuntu Desktop weekly update – 16th March 2018

We’ve had a busy few weeks, and so this email is a roll up of what’s been going on in Desktopland. Last week we had a team sprint in Budapest where we got to work side by side with our teammates and colleagues across Canonical.…