Vulnerability in comedi: dt9812 package - Fix DMA buffers on stack
Summary
GSD-2021-1002140: comedi: dt9812: fix DMA buffers on stack. Affects Kernel versions >= 63274cd7d38a3322d90b66a5bc976de1fb899051, < 3ac273d154d634e2034508a14db82a95d7ad12ed. No fix is published. How to fix ↓
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Background
The comedi: dt9812 package is a component of the Linux Kernel ecosystem. It provides support for the DT9812 data acquisition device. This device is commonly used for industrial and scientific data acquisition applications. The package includes functionality for handling DMA (Direct Memory Access) buffers, which are used for efficient data transfer between the device and the system's memory. However, a vulnerability has been discovered in the package related to the handling of DMA buffers on the stack.
Vulnerability Detail
The vulnerability in the comedi: dt9812 package allows an attacker to potentially execute arbitrary code or cause a denial-of-service (DoS) condition. The issue arises from the use of DMA buffers on the stack, which can lead to stack-based buffer overflows. By exploiting this vulnerability, an attacker may be able to overwrite critical data on the stack, leading to the execution of malicious code or crashing the system. The impact and attack plausibility of this vulnerability have not yet been proven.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The comedi: dt9812 package in the Linux Kernel is vulnerable to a stack-based buffer overflow due to the use of DMA buffers on the stack. To mitigate this vulnerability, it is crucial to update the Kernel to version v5.14.18 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The comedi: dt9812 package is a component of the Linux Kernel ecosystem that provides support for the DT9812 data acquisition device.
The vulnerability can potentially allow an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition.
To fix this vulnerability, update the Linux Kernel to version v5.14.18 or later.
No specific workaround has been mentioned for this vulnerability.
For more details, please refer to the provided references link.
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