USN-3094-1: Systemd vulnerability

29 September 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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References