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USN-6253-1: libvirt vulnerability

26 July 2023

libvirt could be made to stop responding or crash if it received specially crafted commands.

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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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Releases

Packages

  • libvirt - Libvirt virtualization toolkit

Details

It wad discovered that libvirt incorrectly handled locking when processing
certain requests. A local attacker could possibly use this issue to cause
libvirt to stop responding or crash, resulting in a denial of service.

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.04

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

References