Vulnerability in nbd: Fix IO Hang While Disconnecting Device
Summary
GSD-2022-1002884: nbd: fix io hung while disconnecting device. Affects Kernel versions < 54b06dc2a206b4d67349bb56b92d4bd32700b7b1. No fix is published. How to fix ↓
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Background
The nbd package is a Linux Kernel component that provides support for Network Block Devices (NBD). NBD allows remote storage devices to be accessed over a network as if they were local block devices. It is commonly used in virtualization environments to provide storage to virtual machines. The vulnerability in nbd affects the IO operation when disconnecting a device.
Vulnerability Detail
The vulnerability in nbd can cause IO operations to hang while disconnecting a device. This issue can lead to a denial of service (DoS) condition, as the hung IO operations can prevent the device from being properly disconnected. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability has been fixed in Linux Kernel version v5.17.15 by commit 54b06dc2a206b4d67349bb56b92d4bd32700b7b1.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in nbd that caused IO operations to hang while disconnecting a device has been fixed in Linux Kernel version v5.17.15. It is recommended to update the Linux Kernel to this version or later to mitigate the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can cause IO operations to hang while disconnecting a device, leading to a denial of service (DoS) condition.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and Vulert will provide real-time alerts for open-source vulnerabilities.
Yes, the vulnerability has been fixed in Linux Kernel version v5.17.15 by commit 54b06dc2a206b4d67349bb56b92d4bd32700b7b1.
The remote exploitability of this vulnerability has not been proven yet.
You can find more information about this vulnerability in the GSD-2022-1002884 JSON file available in the GSD database (https://github.com/cloudsecurityalliance/gsd-database).
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