==========================================================================
Ubuntu Security Notice USN-6734-1
April 15, 2024

libvirt vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in libvirt.

Software Description:
- libvirt: Libvirt virtualization toolkit

Details:

Alexander Kuznetsov discovered that libvirt incorrectly handled certain API
calls. An attacker could possibly use this issue to cause libvirt to crash,
resulting in a denial of service. (CVE-2024-1441)

It was discovered that libvirt incorrectly handled certain RPC library API
calls. An attacker could possibly use this issue to cause libvirt to crash,
resulting in a denial of service. (CVE-2024-2494)

It was discovered that libvirt incorrectly handled detaching certain host
interfaces. An attacker could possibly use this issue to cause libvirt to
crash, resulting in a denial of service. (CVE-2024-2496)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
   libvirt-daemon                  9.6.0-1ubuntu1.1
   libvirt-daemon-system           9.6.0-1ubuntu1.1
   libvirt0                        9.6.0-1ubuntu1.1

Ubuntu 22.04 LTS:
   libvirt-daemon                  8.0.0-1ubuntu7.10
   libvirt-daemon-system           8.0.0-1ubuntu7.10
   libvirt0                        8.0.0-1ubuntu7.10

Ubuntu 20.04 LTS:
   libvirt-daemon                  6.0.0-0ubuntu8.19
   libvirt-daemon-system           6.0.0-0ubuntu8.19
   libvirt0                        6.0.0-0ubuntu8.19

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6734-1
   CVE-2024-1441, CVE-2024-2494, CVE-2024-2496

Package Information:
   https://launchpad.net/ubuntu/+source/libvirt/9.6.0-1ubuntu1.1
   https://launchpad.net/ubuntu/+source/libvirt/8.0.0-1ubuntu7.10
   https://launchpad.net/ubuntu/+source/libvirt/6.0.0-0ubuntu8.19

Ubuntu 6734-1: libvirt Security Advisory Updates

April 15, 2024
Several security issues were fixed in libvirt.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in libvirt. Software Description: - libvirt: Libvirt virtualization toolkit Details: Alexander Kuznetsov discovered that libvirt incorrectly handled certain API calls. An attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. (CVE-2024-1441) It was discovered that libvirt incorrectly handled certain RPC library API calls. An attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. (CVE-2024-2494) It was discovered that libvirt incorrectly handled detaching certain host interfaces. An attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. (CVE-2024-2496)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: libvirt-daemon 9.6.0-1ubuntu1.1 libvirt-daemon-system 9.6.0-1ubuntu1.1 libvirt0 9.6.0-1ubuntu1.1 Ubuntu 22.04 LTS: libvirt-daemon 8.0.0-1ubuntu7.10 libvirt-daemon-system 8.0.0-1ubuntu7.10 libvirt0 8.0.0-1ubuntu7.10 Ubuntu 20.04 LTS: libvirt-daemon 6.0.0-0ubuntu8.19 libvirt-daemon-system 6.0.0-0ubuntu8.19 libvirt0 6.0.0-0ubuntu8.19 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6734-1

CVE-2024-1441, CVE-2024-2494, CVE-2024-2496

Severity
Ubuntu Security Notice USN-6734-1

Package Information

https://launchpad.net/ubuntu/+source/libvirt/9.6.0-1ubuntu1.1 https://launchpad.net/ubuntu/+source/libvirt/8.0.0-1ubuntu7.10 https://launchpad.net/ubuntu/+source/libvirt/6.0.0-0ubuntu8.19

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