USN-4021-1: libvirt vulnerabilities

Releases

• Ubuntu 19.04
• Ubuntu 18.10

Packages

• 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

• libvirt0 - 5.0.0-1ubuntu2.3
• libvirt-daemon - 5.0.0-1ubuntu2.3
• libvirt-clients - 5.0.0-1ubuntu2.3

Ubuntu 18.10

• libvirt0 - 4.6.0-2ubuntu3.7
• libvirt-daemon - 4.6.0-2ubuntu3.7
• libvirt-clients - 4.6.0-2ubuntu3.7

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

• CVE-2019-10132
• CVE-2019-3886