Skip to main content
  1. Blog
  2. Article

Canonical
on 16 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: ubuntu-hardened@lists.ubuntu.com

During the last week, the Ubuntu Security team:

  • Triaged 149 public security vulnerability reports, retaining the 50 that applied to Ubuntu.
  • Published 5 Ubuntu Security Notices which fixed 21 security issues (CVEs) across 5 supported packages.

Ubuntu Security Notices

Bug Triage

Mainline Inclusion Requests

Development

  • (snapd) submitted fix for for /dev/pts slave EPERM fix – PR 4159 and 4160 (2.29)
  • (snapd) submitted fix for modprobe failure causing all security backends to fail – PR 4162
  • (snapd) submitted fix for raw-usb udev_enumerate issue – PR 4164 and 4165 (2.29)
  • (snapd) created policy-updates-xxxii PR for master (PR 4180) and 2.29 (PR 4181), coordinate with snapd team. Among other things, this has a workaround rule for the above electron denial
  • (snapd) submitted ‘add test-policy-app spread test’ – PR 4157
  • updated eCryptfs -next branch for linux-next testing and got it ready to create a 4.15 pull request
  • snapd reviews
    • ‘fix udev tagging for hooks’ – PR 4144
    • ‘drop group filter from seccomp rules’ PR 4185
    • ‘support bash as base runtime’ PR 4197
  • landed documentation for the new (Linux 4.14) seccomp dynamic logging support in the upstream Linux man-pages project: 1234

What the Security Team is Reading This Week

Weekly Meeting

More Info

Related posts


Luci Stanescu
19 May 2026

CVE-2026-46333 (ssh-keysign-pwn) Linux kernel vulnerability mitigations

Ubuntu Article

An information disclosure security vulnerability in the Linux kernel was publicly disclosed on May 15th, 2026. The vulnerability was reported by Qualys and fixed in the mainline Linux kernel tree. A proof-of-concept exploit was published soon after public disclosure. The ID CVE-2026-46333 was assigned, but the vulnerability is also referr ...


Miha Purg
15 May 2026

Finding the blind spot: How Canonical hunts logic flaws with AI

AI Article

AI is accelerating and improving how security engineers find and fix vulnerabilities. A new tool developed and used at Canonical, called Redhound, has already uncovered three critical logic vunerabilites, paving the way for a more secure software landscape. ...


Luci Stanescu
14 May 2026

Fragnesia Linux kernel local privilege escalation vulnerability mitigations

Ubuntu Article

A local privilege escalation (LPE) vulnerability affecting the Linux kernel has been publicly disclosed on May 13, 2026. The vulnerability does not have a CVE ID published, but is referred to as “Fragnesia.”  The vulnerability affects multiple Linux distributions, including all Ubuntu releases. The affected components are the Linux kernel ...