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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

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 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
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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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