Vulnerability in nbd: Fix IO Hang While Disconnecting Device

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1002535: nbd: fix io hung while disconnecting device. Affects Kernel versions < 141318e62db87105b0103fccc59c9c5940da248d. No fix is published. How to fix ↓

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Background

The nbd package is a part of the Linux Kernel ecosystem and is responsible for handling network block devices. It allows users to access remote block devices over a network. The package provides functionality for connecting and disconnecting devices, as well as performing I/O operations on them. However, a vulnerability has been discovered in the nbd package that can lead to IO hangs while disconnecting a device.

Vulnerability Detail

The vulnerability in the nbd package arises when disconnecting a device, causing IO hangs. This issue can result in a denial of service (DoS) situation, as the system becomes unresponsive due to the hung IO operations. The exact cause of the vulnerability is not specified in the provided information. However, it is crucial to note that the impact and attack plausibility of this vulnerability have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No workaround has been provided for this vulnerability.

Conclusion

The nbd package in the Linux Kernel is vulnerable to an issue that causes IO hangs while disconnecting a device. To mitigate this vulnerability, it is recommended to update the Linux Kernel to version v5.18.4 or later. For further support on vulnerability remediation, please contact DevNack.com.

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