Executive Summary

This vulnerability is in the Linux kernel's clock subsystem for sunxi-ng hardware. When support for dual-divider clocks was added, the code that reads back the clock rate did not correctly include the P divider offset. As a result, the clock rate calculation could be incorrect or even zero, potentially due to a divide-by-zero error when the P divider is 1. The fix involved updating the calculation to properly incorporate the P divider offset.

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Impact Analysis

This vulnerability can cause the system clock rate to be reported incorrectly or as zero, which may lead to timing issues or malfunction of hardware components relying on accurate clock rates. This could affect system stability or performance on affected hardware platforms.

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