Ubuntu Security Notice USN-4371-1
May 21, 2020
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.10
– Ubuntu 18.04 LTS
Several security issues were fixed in libvirt.
– libvirt: Libvirt virtualization toolkit
It was discovered that libvirt incorrectly handled an active pool without a
target path. A remote attacker could possibly use this issue to cause
libvirt to crash, resulting in a denial of service. (CVE-2020-10703)
It was discovered that libvirt incorrectly handled memory when retrieving
certain domain statistics. A remote attacker could possibly use this issue
to cause libvirt to consume resources, resulting in a denial of service.
This issue only affected Ubuntu 19.10. (CVE-2020-12430)
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
After a standard system update you need to reboot your computer to make
all the necessary changes.