Vulnerability in comedi: ni_usb6501
Summary
GSD-2021-1002213: comedi: ni_usb6501: fix NULL-deref in command paths. Affects Kernel versions >= a03bb00e50ab4c07107da58a52a0bff7943f360c, < d6a727a681a39ae4f73081a9bedb45d14f95bdd1. No fix is published. How to fix ↓
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Background
The comedi package is a Linux kernel driver framework for data acquisition and control. It provides a unified interface for various data acquisition 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 dereference a null pointer, leading to a crash or potential code execution. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability was introduced in version v3.18 of the Linux Kernel and has been fixed in version v5.15.2.
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 driver has been identified and fixed in the Linux Kernel version v5.15.2. It is recommended to update the kernel to address this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Comedi is a Linux kernel driver framework for data acquisition and control. It provides a unified interface for various data acquisition devices.
ni_usb6501 is a USB-based digital I/O device supported by the comedi package.
A NULL-dereference occurs when a program attempts to access or dereference a null pointer, leading to a crash or potential code execution.
The impact of this vulnerability is not yet proven. It could potentially lead to a crash or code execution.
To fix this vulnerability, update the Linux Kernel to version v5.15.2 or later.
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