==========================================================================
Ubuntu Security Notice USN-3909-1
March 14, 2019
libvirt vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
libvirt could be made to crash under certain conditions.
Software Description:
– libvirt: Libvirt virtualization toolkit
Details:
It was discovered that libvirt incorrectly handled waiting for certain
agent events. An attacker inside a guest could possibly use this issue to
cause libvirtd to stop responding, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.10:
libvirt-clients 4.6.0-2ubuntu3.4
libvirt-daemon 4.6.0-2ubuntu3.4
libvirt0 4.6.0-2ubuntu3.4
Ubuntu 18.04 LTS:
libvirt-clients 4.0.0-1ubuntu8.8
libvirt-daemon 4.0.0-1ubuntu8.8
libvirt0 4.0.0-1ubuntu8.8
Ubuntu 16.04 LTS:
libvirt-bin 1.3.1-1ubuntu10.25
libvirt0 1.3.1-1ubuntu10.25
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3909-1
CVE-2019-3840
Package Information:
https://launchpad.net/ubuntu/+source/libvirt/4.6.0-2ubuntu3.4
https://launchpad.net/ubuntu/+source/libvirt/4.0.0-1ubuntu8.8
https://launchpad.net/ubuntu/+source/libvirt/1.3.1-1ubuntu10.25
—–BEGIN PGP SIGNATURE—–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=41J1
—–END PGP SIGNATURE—–
—
