Vulnerability in comedi: ni_usb6501
Summary
UVI-2021-1001949: comedi: ni_usb6501: fix NULL-deref in command paths. Affects Kernel versions >= a03bb00e50ab4c07107da58a52a0bff7943f360c, < aa39738423503825625853b643b9e99d11c23816. 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 exploited through command paths. A NULL-dereference occurs when a program attempts to access or manipulate a memory location that is NULL (a pointer that does not point to any valid memory address). This can lead to a crash or potentially allow an attacker to execute arbitrary code in the context of the affected process. 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 ni_usb6501 driver can be mitigated by updating the Linux Kernel to version v4.9.290 or later. 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 manipulate a memory location that is NULL, resulting in a crash or potential code execution vulnerability.
The impact of this vulnerability is not yet proven. It could potentially lead to a crash or allow an attacker to execute arbitrary code in the context of the affected process.
To fix this vulnerability, update your Linux Kernel to version v4.9.290 or later.
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