USN-4021-1 is a security vulnerability in libvirt, a virtualization management library, which could allow local attackers to access libvirt.

How does USN-4021-1 affect Ubuntu 19.04?

USN-4021-1 affects Ubuntu 19.04 if the libvirt software version is 5.0.0-1ubuntu2.3 or earlier.

How does USN-4021-1 affect Ubuntu 18.10?

USN-4021-1 affects Ubuntu 18.10 if the libvirt software version is 4.6.0-2ubuntu3.7 or earlier.

How can I fix USN-4021-1 on Ubuntu 19.04?

To fix USN-4021-1 on Ubuntu 19.04, update the libvirt packages to version 5.0.0-1ubuntu2.3 or later.

How can I fix USN-4021-1 on Ubuntu 18.10?

To fix USN-4021-1 on Ubuntu 18.10, update the libvirt packages to version 4.6.0-2ubuntu3.7 or later.

Vulnerability/
USN-4021-1

19/6/2019

USN-4021-1: libvirt vulnerabilities

First published: Wed Jun 19 2019(Updated: )

Daniel P. Berrangé discovered that libvirt incorrectly handled socket permissions. A local attacker could possibly use this issue to access libvirt. (CVE-2019-10132) It was discovered that libvirt incorrectly performed certain permission checks. A remote attacker could possibly use this issue to access the guest agent and cause a denial of service. This issue only affected Ubuntu 19.04. (CVE-2019-3886)

Affected Software	Affected Version	How to fix
All of
ubuntu/libvirt0	<5.0.0-1ubuntu2.3	5.0.0-1ubuntu2.3
	=19.04
All of
ubuntu/libvirt-daemon	<5.0.0-1ubuntu2.3	5.0.0-1ubuntu2.3
	=19.04
All of
ubuntu/libvirt-clients	<5.0.0-1ubuntu2.3	5.0.0-1ubuntu2.3
	=19.04
All of
ubuntu/libvirt0	<4.6.0-2ubuntu3.7	4.6.0-2ubuntu3.7
	=18.10
All of
ubuntu/libvirt-daemon	<4.6.0-2ubuntu3.7	4.6.0-2ubuntu3.7
	=18.10
All of
ubuntu/libvirt-clients	<4.6.0-2ubuntu3.7	4.6.0-2ubuntu3.7
	=18.10

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(Contains the following vulnerabilities)

Frequently Asked Questions

What is USN-4021-1?
USN-4021-1 is a security vulnerability in libvirt, a virtualization management library, which could allow local attackers to access libvirt.
How does USN-4021-1 affect Ubuntu 19.04?
USN-4021-1 affects Ubuntu 19.04 if the libvirt software version is 5.0.0-1ubuntu2.3 or earlier.
How does USN-4021-1 affect Ubuntu 18.10?
USN-4021-1 affects Ubuntu 18.10 if the libvirt software version is 4.6.0-2ubuntu3.7 or earlier.
How can I fix USN-4021-1 on Ubuntu 19.04?
To fix USN-4021-1 on Ubuntu 19.04, update the libvirt packages to version 5.0.0-1ubuntu2.3 or later.
How can I fix USN-4021-1 on Ubuntu 18.10?
To fix USN-4021-1 on Ubuntu 18.10, update the libvirt packages to version 4.6.0-2ubuntu3.7 or later.

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