Vulnerability in comedi: ni_usb6501
Summary
UVI-2021-1001994: comedi: ni_usb6501: fix NULL-deref in command paths. Affects Kernel versions >= a03bb00e50ab4c07107da58a52a0bff7943f360c, < bc51111bf6e8e7b6cc94b133e4c291273a16acd1. No fix is published. How to fix ↓
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Background
The comedi package is a Linux kernel driver that provides a unified interface for data acquisition and control devices. It allows users to interact with various hardware devices, including the ni_usb6501 module. The ni_usb6501 module is a USB-based data acquisition device that provides digital I/O capabilities. This vulnerability affects the ni_usb6501 module in the comedi package.
Vulnerability Detail
The vulnerability in the ni_usb6501 module of the comedi package is a NULL-dereference issue that can be exploited through command paths. This vulnerability was introduced in version v3.18 of the Linux Kernel and was fixed in version v4.19.217. An attacker could potentially exploit this vulnerability to cause a denial-of-service condition or execute arbitrary code. 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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Conclusion
The vulnerability in the comedi package's ni_usb6501 module can be mitigated by updating the Linux Kernel to version v4.19.217 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The comedi package is a Linux kernel driver that provides a unified interface for data acquisition and control devices.
The ni_usb6501 module is a USB-based data acquisition device that provides digital I/O capabilities.
A NULL-dereference issue occurs when a program attempts to access or manipulate memory using a null pointer, leading to a crash or potential code execution.
The impact of this vulnerability could range from a denial-of-service condition to potential arbitrary code execution.
To fix this vulnerability, update the Linux Kernel to version v4.19.217 or later.
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