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Ubuntu 23.10 USN-6734-1: Moderate Libvirt API Denial Of Service

ubuntu
Calendar Grey April 15, 2024
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-6734-1 addresses Libvirt vulnerabilities affecting multiple releases. Ensure your system is updated!
Several security issues were fixed in libvirt.

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)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu system update security issues libvirt API issues

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

Ubuntu Security Notice USN-6734-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu system update security issues libvirt API issues

Package Information

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

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