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Ubuntu 23.04 USN-6253-1 Critical: Libvirt Denial Of Service

ubuntu
Calendar Grey July 26, 2023
Dist Ubuntu Esm H88
Debian Security Advisory DSA-5252-1 pertains to a QEMU vulnerability that may lead to denial of service if successfully exploited.
libvirt could be made to stop responding or crash if it received specially crafted commands.

Summary

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

crafted commands.

Software Description:

- 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.

Topics%20covered

Topics Covered

security advisory denial of service critical software update ubuntu libvirt

Update Instructions

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

Ubuntu 23.04:
   libvirt-daemon                  9.0.0-2ubuntu1.2
   libvirt-daemon-system           9.0.0-2ubuntu1.2
   libvirt0                        9.0.0-2ubuntu1.2

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

References

https://ubuntu.com/security/notices/USN-6253-1

CVE-2023-3750

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6253-1

Topics%20covered

Topics Covered

security advisory denial of service critical software update ubuntu libvirt

Package Information

https://launchpad.net/ubuntu/+source/libvirt/9.0.0-2ubuntu1.2

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