What is the vulnerability ID of this systemd vulnerability?

The vulnerability ID of this systemd vulnerability is USN-3891-1.

What is the severity level of USN-3891-1?

The severity level of USN-3891-1 is not provided.

What software versions are affected by USN-3891-1?

The affected software versions are libsystemd0 version 239-7ubuntu10.8 on Ubuntu 18.10, systemd version 239-7ubuntu10.8 on Ubuntu 18.10, libsystemd0 version 237-3ubuntu10.13 on Ubuntu 18.04, systemd version 237-3ubuntu10.13 on Ubuntu 18.04, libsystemd0 version 229-4ubuntu21.16 on Ubuntu 16.04, and systemd version 229-4ubuntu21.16 on Ubuntu 16.04.

How can this vulnerability be exploited?

This vulnerability can be exploited by a local unprivileged attacker to crash the init process, resulting in a system denial-of-service (kernel panic).

How can I fix USN-3891-1?

To fix USN-3891-1, you should update the affected software packages to the specified fixed versions.

Vulnerability/
USN-3891-1

18/2/2019

USN-3891-1: systemd vulnerability

First published: Mon Feb 18 2019(Updated: )

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).

Affected Software	Affected Version	How to fix
All of
ubuntu/libsystemd0	<239-7ubuntu10.8	239-7ubuntu10.8
	=18.10
All of
ubuntu/systemd	<239-7ubuntu10.8	239-7ubuntu10.8
	=18.10
All of
ubuntu/libsystemd0	<237-3ubuntu10.13	237-3ubuntu10.13
	=18.04
All of
ubuntu/systemd	<237-3ubuntu10.13	237-3ubuntu10.13
	=18.04
All of
ubuntu/libsystemd0	<229-4ubuntu21.16	229-4ubuntu21.16
	=16.04
All of
ubuntu/systemd	<229-4ubuntu21.16	229-4ubuntu21.16
	=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2019-6454

Frequently Asked Questions

What is the vulnerability ID of this systemd vulnerability?
The vulnerability ID of this systemd vulnerability is USN-3891-1.
What is the severity level of USN-3891-1?
The severity level of USN-3891-1 is not provided.
What software versions are affected by USN-3891-1?
The affected software versions are libsystemd0 version 239-7ubuntu10.8 on Ubuntu 18.10, systemd version 239-7ubuntu10.8 on Ubuntu 18.10, libsystemd0 version 237-3ubuntu10.13 on Ubuntu 18.04, systemd version 237-3ubuntu10.13 on Ubuntu 18.04, libsystemd0 version 229-4ubuntu21.16 on Ubuntu 16.04, and systemd version 229-4ubuntu21.16 on Ubuntu 16.04.
How can this vulnerability be exploited?
This vulnerability can be exploited by a local unprivileged attacker to crash the init process, resulting in a system denial-of-service (kernel panic).
How can I fix USN-3891-1?
To fix USN-3891-1, you should update the affected software packages to the specified fixed versions.

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