USN-6126-1: libvirt vulnerabilities
31 May 2023
Several security issues were fixed in libvirt.
Releases
Packages
- libvirt - Libvirt virtualization toolkit
Details
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 23.04
-
libvirt-daemon
-
9.0.0-2ubuntu1.1
-
libvirt-daemon-system
-
9.0.0-2ubuntu1.1
-
libvirt0
-
9.0.0-2ubuntu1.1
Ubuntu 22.10
-
libvirt-daemon
-
8.6.0-0ubuntu3.2
-
libvirt-daemon-system
-
8.6.0-0ubuntu3.2
-
libvirt0
-
8.6.0-0ubuntu3.2
Ubuntu 22.04
-
libvirt-daemon
-
8.0.0-1ubuntu7.5
-
libvirt-daemon-system
-
8.0.0-1ubuntu7.5
-
libvirt0
-
8.0.0-1ubuntu7.5
After a standard system update you need to reboot your computer to make all
the necessary changes.
References
Related notices
- USN-5399-1: libvirt-daemon-driver-storage-gluster, libvirt-daemon-config-nwfilter, libvirt-daemon-driver-lxc, libvirt-daemon-system, libvirt-bin, libvirt-daemon-system-systemd, libvirt-daemon-driver-storage-sheepdog, libvirt, libvirt-dev, libvirt-daemon-driver-xen, libnss-libvirt, libvirt-daemon-driver-qemu, libvirt-daemon, libvirt-daemon-driver-storage-zfs, libvirt-daemon-config-network, libvirt-login-shell, libvirt-wireshark, libvirt-daemon-driver-vbox, libvirt-daemon-driver-storage-rbd, libvirt-daemon-system-sysv, libvirt-doc, libvirt-daemon-driver-storage-iscsi-direct, libvirt-sanlock, libvirt0, libvirt-clients