USN-4021-1: libvirt vulnerabilities
libvirt vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
Summary
Several security issues were fixed in libvirt.
Software Description
- libvirt – Libvirt virtualization toolkit
Details
Daniel P. Berrangé discovered that libvirt incorrectly handled socket
permissions. A local attacker could possibly use this issue to access
libvirt. (CVE-2019-10132)
It was discovered that libvirt incorrectly performed certain permission
checks. A remote attacker could possibly use this issue to access the
guest agent and cause a denial of service. This issue only affected Ubuntu
19.04. (CVE-2019-3886)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- libvirt-clients – 5.0.0-1ubuntu2.3
- libvirt-daemon – 5.0.0-1ubuntu2.3
- libvirt0 – 5.0.0-1ubuntu2.3
- Ubuntu 18.10
- libvirt-clients – 4.6.0-2ubuntu3.7
- libvirt-daemon – 4.6.0-2ubuntu3.7
- libvirt0 – 4.6.0-2ubuntu3.7
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.