=========================================================================Ubuntu Security Notice USN-3094-1
September 29, 2016

systemd vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS

Summary:

The system could be made unavailable under certain conditions.

Software Description:
- systemd: system and service manager

Details:

Andrew Ayer discovered that Systemd improperly handled zero-length
notification messages. A local unprivileged attacker could use
this to cause a denial of service (init crash leading to system
unavailability).

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
  systemd                         229-4ubuntu10

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-3094-1
  https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1628687

Package Information:
  https://launchpad.net/ubuntu/+source/systemd/229-4ubuntu10