Security Team Weekly Summary: December 14, 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: [email protected]

During the last week, the Ubuntu Security team:

• Triaged 213 public security vulnerability reports, retaining the 65 that applied to Ubuntu.
• Published 15 Ubuntu Security Notices which fixed 16 security issues (CVEs) across 15 supported packages.

Ubuntu Security Notices

• [USN-3507-2] Linux kernel (GCP) vulnerabilities

• [USN-3511-1] Linux kernel (Azure) vulnerabilities

• [USN-3510-2] Linux kernel (Trusty HWE) vulnerabilities

• [USN-3510-1] Linux kernel vulnerabilities

• [USN-3509-2] Linux kernel (Xenial HWE) vulnerabilities

• [USN-3509-1] Linux kernel vulnerabilities

• [USN-3508-2] Linux kernel (HWE) vulnerabilities

• [USN-3508-1] Linux kernel vulnerabilities

• [USN-3507-1] Linux kernel vulnerabilities

• [USN-3506-2] rsync vulnerabilities

• [USN-3506-1] rsync vulnerabilities

• [USN-3505-1] Linux firmware vulnerabilities

• [USN-3504-1] libxml2 vulnerability

• [USN-3498-2] curl vulnerability

• [USN-3503-1] Evince vulnerability

Bug Triage

• Backlog: https://bugs.launchpad.net/~ubuntu-security/+subscribedbugs

Mainline Inclusion Requests

• libteam underway (LP: #1392012)

• MIR backlog: https://bugs.launchpad.net/~ubuntu-security/+assignedbugs?field.searchtext=%5BMIR%5D

Development

• review tools testsuite updates for resquashfs
• write-up processes for reviewing base snaps
• send up PR 4375 and PR 4375 (2.30) to add an app/hook-specific udev rule for hotplugging (fixes mir hotplug issue)
• debug chromium mknod issue with nvidia GPUs
• send up PR 4359 and PR 4360 (2.30) policy updates PRs

• add missing rule to upstream AppArmor fonts abstraction

• pickup PR 4100 and send up PR 4383 (2.30) for new ssh/gpg keys interfaces
• send up PR 4366 and PR 4367 (2.30) for small removable-media fix
• update review-tools for 2.30 interfaces
• discuss options for possible biometrics interface
• snapd reviews
  • PR 4365 – allow wayland socket and non-root sockets/wayland slot policy
  • PR 4140 – add an interface for gnome-online-accounts D-Bus service
  • PR 4369 – add write permission to optical-drive interface

• https://forum.snapcraft.io/t/proposal-to-disable-squashfs-fragments-in-snaps/3103

What the Security Team is Reading This Week

• BlueSteal: Popping GATT Safes

• Debugging an evil Go runtime bug

Weekly Meeting

• Log: https://wiki.sne.bianheman.eu.org/MeetingLogs/Security/20171204

• Info: https://wiki.sne.bianheman.eu.org/SecurityTeam/Meeting

More Info

• Ubuntu CVE Tracker

• Ubuntu security notices

• Follow Ubuntu Security on Twitter

• How to help improve Ubuntu security