USN-3891-1: systemd vulnerability
systemd vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
systemd could be made to crash if it received specially a crafted
D-Bus message.
Software Description
- systemd – system and service manager
Details
It was discovered that systemd incorrectly handled certain D-Bus messages.
A local unprivileged attacker could exploit this in order to crash the
init process, resulting in a system denial-of-service (kernel panic).
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- libsystemd0 – 239-7ubuntu10.8
- systemd – 239-7ubuntu10.8
- Ubuntu 18.04 LTS
- libsystemd0 – 237-3ubuntu10.13
- systemd – 237-3ubuntu10.13
- Ubuntu 16.04 LTS
- libsystemd0 – 229-4ubuntu21.16
- systemd – 229-4ubuntu21.16
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Source: USN-3891-1: systemd vulnerability
