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USN-6734-1: libvirt vulnerabilities

15 April 2024

Several security issues were fixed in libvirt.

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Releases

Packages

  • 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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.10
Ubuntu 22.04
Ubuntu 20.04

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

Related notices

  • USN-6734-2: libvirt-clients, libvirt-daemon, libvirt-daemon-config-nwfilter, libvirt-sanlock, libnss-libvirt, libvirt-daemon-driver-storage-zfs, libvirt0, libvirt-daemon-driver-xen, libvirt-daemon-system-sysv, libvirt-wireshark, libvirt-daemon-system-systemd, libvirt-daemon-driver-qemu, libvirt-daemon-driver-storage-rbd, libvirt-daemon-driver-storage-iscsi-direct, libvirt-daemon-driver-vbox, libvirt-login-shell, libvirt-daemon-driver-lxc, libvirt-l10n, libvirt-dev, libvirt, libvirt-clients-qemu, libvirt-daemon-system, libvirt-doc, libvirt-daemon-driver-storage-gluster, libvirt-daemon-config-network