Vulnerability in comedi: ni_usb6501
Summary
GSD-2021-1002142: comedi: ni_usb6501: fix NULL-deref in command paths. Affects Kernel versions >= a03bb00e50ab4c07107da58a52a0bff7943f360c, < 4a9d43cb5d5f39fa39fc1da438517004cc95f7ea. No fix is published. How to fix ↓
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Background
The comedi package is a collection of drivers for data acquisition devices. One of the drivers, ni_usb6501, is responsible for handling communication with National Instruments USB-6501 devices. These devices are used for digital I/O operations in various applications.
Vulnerability Detail
The vulnerability identified in the ni_usb6501 driver 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 has been fixed in version v5.14.18. 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 workaround has been provided for this vulnerability.
Conclusion
The vulnerability in the ni_usb6501 driver of the comedi package can be fixed by updating the Linux Kernel to version v5.14.18 or later. It is important to apply this update to ensure the security and stability of systems using National Instruments USB-6501 devices. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The comedi package is a collection of drivers for data acquisition devices.
The ni_usb6501 driver is responsible for handling communication with National Instruments USB-6501 devices, which are used for digital I/O operations.
A NULL-dereference issue occurs when a program attempts to access or dereference a memory location that has a NULL (empty) value. This can lead to crashes or other unexpected behavior.
You can check the version of the Linux Kernel by running the command 'uname -r' in a terminal.
You can find more information about the fix for this vulnerability in the Linux Kernel repository on GitHub.
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