CVE-2025-38200 Information

Description

In the Linux kernel the following vulnerability has been resolved:

i40e: fix MMIO write access to an invalid page in i40e_clear_hw

When the device sends a specific input an integer underflow can occur leading to MMIO write access to an invalid page.

Prevent the integer underflow by changing the type of related variables.

Reference

https://git.kernel.org/stable/c/015bac5daca978448f2671478c553ce1f300c21e https://git.kernel.org/stable/c/2a1f4f2e36442a9bdf771acf6ee86f3cf876e5ca https://git.kernel.org/stable/c/3502dd42f178dae9d54696013386bb52b4f2e655 https://git.kernel.org/stable/c/5e75c9082987479e647c75ec8fdf18fa68263c42 https://git.kernel.org/stable/c/872607632c658d3739e4e7889e4f3c419ae2c193 https://git.kernel.org/stable/c/8cde755f56163281ec2c46b4ae8b61f532758a6f https://git.kernel.org/stable/c/d88a1e8f024ba26e19350958fecbf771a9960352 https://git.kernel.org/stable/c/fecb2fc3fc10c95724407cc45ea35af4a65cdde2

Related CNNVD

CNNVD-202507-437 (Published: 2025-07-04)