Critical Vulnerability in Linux Package: Uninitialized Clock Data in IIO ADC Driver
Summary
DEBIAN-CVE-2024-26711: In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad4130: zero-initialize clock init data The clk_init_data struct does not have all its members initialized, causing issues when trying to expo... Affects linux versions < 6.7.7-1. Fixed in 6.7.7-1. How to fix ↓
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Background
The Linux package is a core component of the Debian operating system, providing the essential kernel functionalities that manage hardware and system resources. It supports a wide range of applications and services, ensuring efficient operation of the system. The vulnerability in question arises from the improper initialization of the clk_init_data structure within the IIO ADC driver, specifically for the ad4130 device, which can lead to malfunctioning clock exposure on the CLK pin.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the IIO ADC driver for the ad4130 device. The clk_init_data structure is not fully initialized, which can cause issues when attempting to expose the internal clock on the CLK pin. This oversight can lead to unpredictable behavior in systems relying on this functionality, potentially affecting data acquisition and processing tasks that depend on accurate clock signals.
How To Fix
Minimum fixed version
6.7.7-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to apply the patch by updating to the fixed version of the Linux package.
Conclusion
The vulnerability identified in the Linux package regarding uninitialized clock data in the IIO ADC driver poses significant risks to system stability and functionality. It is imperative for users to update to the fixed version 6.7.7-1 to ensure proper operation and security. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in real-time.
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FAQ
The vulnerability involves uninitialized members in the clk_init_data structure, which can lead to issues with clock exposure on the CLK pin.
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The uninitialized clock data can cause unpredictable behavior in systems that rely on accurate clock signals, potentially disrupting data acquisition processes.
Yes, the vulnerability has been patched in version 6.7.7-1 of the Linux package. It is recommended to update to this version.
While there are no specific workarounds, it is crucial to prioritize updating to the patched version as soon as possible to mitigate risks.
References
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