CVE-2025-39971
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-15

Last updated on: 2025-10-16

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in config queues msg Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_queues_msg().
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Meta Information
Published
2025-10-15
Last Modified
2025-10-16
Generated
2026-06-16
AI Q&A
2025-10-15
EPSS Evaluated
2026-06-15
NVD
CVE-2025-39971
EUVD
EUVD-2025-34601
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
intel linux_kernel *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability in the Linux kernel involves improper validation of an index (idx) in the i40e network driver. Specifically, the code did not ensure that idx was within the valid range of active or initialized traffic classes (TCs) when accessing vf->ch[idx] in the function i40e_vc_config_queues_msg(). This could lead to out-of-bounds access or other unexpected behavior.

Impact Analysis

The vulnerability could potentially cause instability or crashes in the Linux kernel's network driver due to invalid memory access. This might affect network functionality or system reliability on affected systems using the i40e driver.

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