Vulnerability in comedi: ni_usb6501

Kernel Updated 02 Oct 2025

Summary

14/11/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001971: comedi: ni_usb6501: fix NULL-deref in command paths. Affects Kernel versions >= a03bb00e50ab4c07107da58a52a0bff7943f360c, < df7b1238f3b599a0b9284249772cdfd1ea83a632. No fix is published. How to fix ↓

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Background

The comedi package is a collection of drivers and libraries for data acquisition devices. It provides a unified interface for interacting with various hardware devices. One of the supported devices is ni_usb6501, which is a USB-based digital I/O device. This vulnerability affects the ni_usb6501 driver in the comedi package.

Vulnerability Detail

The vulnerability in the ni_usb6501 driver is a NULL-dereference issue that can be triggered through certain command paths. A NULL-dereference occurs when a program attempts to access or manipulate memory using a null pointer, leading to a crash or potential code execution. 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 specific workaround has been provided for this vulnerability.

Conclusion

The vulnerability in the comedi ni_usb6501 driver has been identified and fixed in the Linux Kernel version v4.14.255. Users are advised to update their Linux Kernel to the fixed version to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.

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