PT-2025-22158 · Linux · Linux Kernel

Published

2025-05-20

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Updated

2025-07-17

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CVE-2025-37896

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Name of the Vulnerable Software and Affected Versions:

Linux kernel (affected versions not specified)

Description:

A divide error issue has been identified in the Linux kernel related to SPI flash memory operations. Specifically, when calculating the duration for SPI memory operations with zero dummy bytes, a divide error occurs in the `spi mem calc op duration()` function. This issue affects certain SPI flash memory devices, such as Winbond SPINAND flash memory devices, where the `write cache` and `update cache` operation variants have zero dummy bytes. The error is characterized by an "Oops: divide error" message.

Recommendations:

At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2025-37896
USN-7649-1
USN-7650-1

Affected Products

Linux Kernel