USN-3909-1: libvirt vulnerability

14 March 2019

libvirt could be made to crash under certain conditions.

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Releases

Packages

  • 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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading