CVE-2025-39972
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 i40e_validate_queue_map Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_validate_queue_map().
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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-2025-39972
EUVD
EUVD-2025-34600
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is related to the Linux kernel's i40e driver. It involves improper validation of an index (idx) in the function i40e_validate_queue_map. The fix ensures that the idx is within the range of active or initialized Traffic Classes (TCs) when accessing vf->ch[idx], preventing potential out-of-bounds access or invalid memory usage.

Impact Analysis

If exploited, this vulnerability could lead to improper memory access within the Linux kernel's network driver, potentially causing system instability, crashes, or other unpredictable behavior. However, specific impacts such as privilege escalation or data leakage are not detailed.

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