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Fedora 41: libnbd Critical NBD Performance Fix FEDORA-2025-ffa97eb16f

fedora
Calendar Grey November 8, 2025
Dist Fedora Esm H88
Fedora 41 libnbd update fixes security issue and enhances performance for userspace NBD clients.
New upstream stable version 1.22.5

Summary

NBD \u2014 Network Block Device \u2014 is a protocol for accessing Block Devices

(hard disks and disk-like things) over a Network.

This is the NBD client library in userspace, a simple library for

writing NBD clients.

The key features are:

* Synchronous and asynchronous APIs, both for ease of use and for

writing non-blocking, multithreaded clients.

* High performance.

* Minimal dependencies for the basic library.

* Well-documented, stable API.

* Bindings in several programming languages.

Update Information:

New upstream stable version 1.22.5

Topics%20covered

Topics Covered

security advisory fedora update critical software issue nbd library

Change Log

* Thu Oct 23 2025 Richard W.M. Jones - 1.22.5-1 - New upstream stable version 1.22.5 - Fixes security issue with nbd+ssh URIs https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/YZMBF3SJRWTRVT5L3KWSNHITFTRMQNTT/

References

Fedora Update Notification FEDORA-2025-ffa97eb16f 2025-11-08 02:54:10.232995+00:00
Name : libnbd Product : Fedora 41 Version : 1.22.5 Release : 1.fc41 URL : https://gitlab.com/nbdkit/libnbd Summary : NBD client library in userspace Description : NBD \u2014 Network Block Device \u2014 is a protocol for accessing Block Devices (hard disks and disk-like things) over a Network.
This is the NBD client library in userspace, a simple library for writing NBD clients.
The key features are:
* Synchronous and asynchronous APIs, both for ease of use and for writing non-blocking, multithreaded clients.
* High performance.
* Minimal dependencies for the basic library.
* Well-documented, stable API.
* Bindings in several programming languages.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-ffa97eb16f' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
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Critical

Name: libnbd
Product: Fedora 41
Version: 1.22.5
Release: 1.fc41
URL: https://gitlab.com/nbdkit/libnbd
Summary: NBD client library in userspace

Topics%20covered

Topics Covered

security advisory fedora update critical software issue nbd library

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