Executive Summary

This vulnerability exists in the Linux kernel's qcom-lpg LED driver. It involves an array overflow issue when selecting high resolution values. Specifically, the code uses FIELD_GET() to extract a value from a 3-bit register, but then uses that value to index into an array that only has 5 elements. Without proper bounds checking, this can cause the code to read beyond the array limits, potentially accessing random data and incorrectly configuring chip values.

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Impact Analysis

If exploited, this vulnerability could cause the system to read invalid data from memory due to the array overflow. This might lead to incorrect hardware configuration or unpredictable behavior of the LED driver. While the hardware is likely to be sane and prevent severe issues, the lack of proper checks could potentially cause instability or unexpected operation in the affected component.

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