USN-4371-1: libvirt vulnerabilities
libvirt vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 18.04 LTS
Summary
Several security issues were fixed in libvirt.
Software Description
- libvirt – Libvirt virtualization toolkit
Details
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.10
- libvirt-clients – 5.4.0-0ubuntu5.4
- libvirt-daemon – 5.4.0-0ubuntu5.4
- libvirt0 – 5.4.0-0ubuntu5.4
- Ubuntu 18.04 LTS
- libvirt-clients – 4.0.0-1ubuntu8.17
- libvirt-daemon – 4.0.0-1ubuntu8.17
- libvirt0 – 4.0.0-1ubuntu8.17
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Source: USN-4371-1: libvirt vulnerabilities
