Security Team Weekly Summary: November 2, 2017



on 2 November 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 268 public security vulnerability reports, retaining the 40 that applied to Ubuntu.
  • Published 16 Ubuntu Security Notices which fixed 66 security issues (CVEs) across 16 supported packages.

Ubuntu Security Notices

Bug Triage

Mainline Inclusion Requests


  • Participated in online Enabling AppArmor by default in Debian Sprint

  • Refreshed fscrypt package for bionic, tested in a bionic VM, and uploaded it to bionic (pending approval)
  • performed reviews in support of layouts: PR 4008PR 3965. Lots of technical discussion regarding use of overlayfs

  • performed review of xdg-settings support: PR 4073

  • discuss autostart desktop files design options
  • performed review of USB interface number: PR 4040

  • performed review of several libvirt patches from server team
  • performed review of making @unrestricted truly unrestricted: PR 4054

  • Investigated, prepared, tested, and submitted snap-confine apparmor fix PR 4098 and policy-updates-xxxi PR 4097

  • Investigated, prepared preliminary ssh-keys, ssh-public-keys, gpg-keys and gpp-public-keys interfaces: PR 4100

  • Continue various snappy-debug improvements based on sprint feedback (we should be able to now always suggest using it instead of looking at raw log files):
    • only show AVC or audit violations, not both
    • cache rules files for big performance improvement
    • preliminary DBus recommendations (need to convert to logprof, but now we display DBus violations and suggest a few things)
    • add suggestions for signals and ptrace
    • add suggestions for mpris and dbus slots
    • suggest snapcraft preload plugin
    • split out classic and core policy and choose based on which device snappy-debug is running on
    • various small bug fixes
  • Set up

  • Contributed seccomp documentation for Linux 4.14 changes to the man-pages project: mailing list

  • Contributed libseccomp-golang bindings for libseccomp’s new API level feature: PR 29

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

Popular programming language, Kotlin, launches as a snap for Linux

We are delighted to announce that the latest addition to the snap ecosystem, launching today, is Kotlin – the pragmatic programming language for JVM, Android and browser crafted by JetBrains. Being a general-purpose language, Kotlin…

Storage Made Easy adds Charm to Canonical’s Juju ecosystem

Storage Made Easy (SME) today announced the availability of the Storage Made Easy™ Enterprise File Fabric™ charm through Canonical’s Juju charm store. The store provides access to a wide range of best practice solutions which…

NTT TechnoCross becomes Canonical Certified Support Partner in Japan

NTT TechnoCross Corporation has signed a partnership agreement with Canonical to provide strengthened OSS support to its customers in Japan including OpenStack deployments. NTT TechnoCross will provide Japanese support for domestic…