USN-6126-1: libvirt vulnerabilities

Published May 31, 2023
·
Updated

It was discovered that libvirt incorrectly handled the nwfilter driver. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-0897) It was discovered that libvirt incorrectly handled queries for the SR-IOV PCI device capabilities. A local attacker could possibly use this issue to cause libvirt to consume resources, leading to a denial of service. (CVE-2023-2700)

Affected Software

18 affected componentsFixes available
All of the following
ubuntu/libvirt-daemon<9.0.0-2ubuntu1.1
9.0.0-2ubuntu1.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/libvirt-daemon-system<9.0.0-2ubuntu1.1
9.0.0-2ubuntu1.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/libvirt0<9.0.0-2ubuntu1.1
9.0.0-2ubuntu1.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/libvirt-daemon<8.6.0-0ubuntu3.2
8.6.0-0ubuntu3.2
Ubuntu Ubuntu=22.10
All of the following
ubuntu/libvirt-daemon-system<8.6.0-0ubuntu3.2
8.6.0-0ubuntu3.2
Ubuntu Ubuntu=22.10
All of the following
ubuntu/libvirt0<8.6.0-0ubuntu3.2
8.6.0-0ubuntu3.2
Ubuntu Ubuntu=22.10
All of the following
ubuntu/libvirt-daemon<8.0.0-1ubuntu7.5
8.0.0-1ubuntu7.5
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libvirt-daemon-system<8.0.0-1ubuntu7.5
8.0.0-1ubuntu7.5
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libvirt0<8.0.0-1ubuntu7.5
8.0.0-1ubuntu7.5
Ubuntu Ubuntu=22.04

Event History

May 31, 2023
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID for these libvirt vulnerabilities?

The vulnerability ID for these libvirt vulnerabilities is CVE-2022-0897.

2

What is the severity of CVE-2022-0897?

The severity of CVE-2022-0897 is not specified in the provided information.

3

Which version of libvirt is affected by CVE-2022-0897?

The version of libvirt affected by CVE-2022-0897 is not specified in the provided information.

4

How can I fix the libvirt vulnerabilities?

To fix the libvirt vulnerabilities, update to version 9.0.0-2ubuntu1.1 (for Ubuntu 23.04) or version 8.6.0-0ubuntu3.2 (for Ubuntu 22.10) or version 8.0.0-1ubuntu7.5 (for Ubuntu 22.04).

5

Where can I find more information about these libvirt vulnerabilities?

You can find more information about these libvirt vulnerabilities on the Ubuntu Security Notices website.

Contact

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