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==========================================================================
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
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