Vulnerability in Kernel: Failure to Register Sensor with Thermal Zone
Summary
GSD-2022-1000750: hwmon: Handle failure to register sensor with thermal zone correctly. Affects Kernel versions >= 1597b374af22266266e1e20612208c4b11359ad4, < 8a1969e14ad93663f9a3ed02ccc2138da9956a0e. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that acts as a bridge between hardware and software. It provides essential services and functions, including device drivers, memory management, and process scheduling. The Kernel is responsible for managing system resources and ensuring the smooth operation of the entire system. In this case, the vulnerability affects the Kernel's handling of sensor registration with thermal zones.
Vulnerability Detail
The vulnerability arises from a failure to handle the registration of a sensor with a thermal zone correctly. When a sensor fails to register, the Kernel does not handle this situation appropriately, potentially leading to various issues. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.16.12 by commit 8a1969e14ad93663f9a3ed02ccc2138da9956a0e. However, it was introduced in version v5.8 by commit 1597b374af22266266e1e20612208c4b11359ad4.
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 vulnerability in the Kernel's handling of sensor registration with thermal zones can have significant implications for system temperature management and overall system stability. It is crucial to update the Linux Kernel to the fixed version to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a critical component of the Linux operating system that acts as a bridge between hardware and software. It provides essential services and functions, including device drivers, memory management, and process scheduling.
A thermal zone is a concept in the Kernel that represents a region of the system with a specific temperature profile. It is used to manage thermal-related operations, such as controlling fan speeds and throttling performance to prevent overheating.
Sensor registration is the process of associating a hardware sensor with a thermal zone in the Kernel. This allows the Kernel to monitor the sensor's readings and make appropriate adjustments to maintain optimal system temperature.
The potential consequences of this vulnerability include improper temperature management, leading to overheating or inadequate cooling of the system. This can result in reduced performance, system instability, and potential hardware damage.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert provides real-time monitoring and alerts for open-source vulnerabilities, using just a manifest file like package-lock.json.
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