Critical Vulnerability in Linux Kernel: Debug Actions Order Flaw
Summary
DEBIAN-CVE-2025-38045: In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix debug actions order The order of actions taken for debug was implemented incorrectly. Affects linux versions < 6.12.32-1. Fixed in 6.12.32-1. How to fix ↓
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Background
The Linux kernel is the core component of the Linux operating system, responsible for managing hardware resources and providing essential services to software applications. It is widely used across various platforms, including servers, desktops, and embedded systems. The kernel's stability and security are paramount, as vulnerabilities can lead to system crashes, data loss, or unauthorized access. This specific vulnerability affects the iwlwifi driver, which is responsible for managing Intel wireless network interfaces.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the iwlwifi driver related to the order of debug actions. The implementation of these actions was incorrect, leading to potential device crashes when applying configurations. Specifically, the firmware reset was incorrectly sequenced, causing the firmware to terminate unexpectedly on error. This flaw can result in significant disruptions in wireless connectivity and overall system stability, making it critical to address.
How To Fix
Minimum fixed version
6.12.32-1
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, no specific workaround has been provided for this vulnerability. It is recommended to apply the patch as soon as it is available to mitigate potential risks.
Conclusion
The identified vulnerability in the Linux kernel's iwlwifi driver poses a significant risk to system stability and wireless functionality. Users are urged to update to the patched version to mitigate these risks. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
The vulnerability involves an incorrect order of debug actions in the iwlwifi driver, which can lead to device crashes.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
Failure to address this vulnerability may result in system crashes and instability, particularly affecting wireless connectivity.
Yes, updating to version 6.12.32-1 or later will resolve the vulnerability.
Vulert monitors and alerts for open-source vulnerabilities in software using a manifest file like package-lock.json, providing real-time insights without requiring code access.
References
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