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CVE-2025-39972
i40e: fix idx validation in i40e_validate_queue_map
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().

INFO

Published Date :

Oct. 15, 2025, 8:15 a.m.

Last Modified :

Oct. 16, 2025, 3:29 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-39972 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Update the Linux kernel to address queue mapping validation issues.
  • Apply the patch for i40e_validate_queue_map.
  • Update the Linux kernel to the latest version.
  • Validate queue mapping configurations.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-39972.

URL Resource
https://git.kernel.org/stable/c/34dfac0c904829967d500c51f216916ce1452957
https://git.kernel.org/stable/c/4d5e804a9e19b639b18fd13664dbad3c03c79e61
https://git.kernel.org/stable/c/50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cd
https://git.kernel.org/stable/c/6f15a7b34fae75e745bdc2ec05e06ddfd0dd2f3c
https://git.kernel.org/stable/c/aa68d3c3ac8d1dcec40d52ae27e39f6d32207009
https://git.kernel.org/stable/c/b6cb93a7ff208f324c7ec581d72995f80e115e0e
https://git.kernel.org/stable/c/cc4191e8ef40d2249c1b9a8617d22ec8a976b574
https://git.kernel.org/stable/c/d4e3eaaa3cb3af77836d806c89cd6ebf533a7320
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-39972 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-39972 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-39972 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-39972 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 15, 2025

    Action Type Old Value New Value
    Added 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().
    Added Reference https://git.kernel.org/stable/c/34dfac0c904829967d500c51f216916ce1452957
    Added Reference https://git.kernel.org/stable/c/4d5e804a9e19b639b18fd13664dbad3c03c79e61
    Added Reference https://git.kernel.org/stable/c/50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cd
    Added Reference https://git.kernel.org/stable/c/6f15a7b34fae75e745bdc2ec05e06ddfd0dd2f3c
    Added Reference https://git.kernel.org/stable/c/aa68d3c3ac8d1dcec40d52ae27e39f6d32207009
    Added Reference https://git.kernel.org/stable/c/b6cb93a7ff208f324c7ec581d72995f80e115e0e
    Added Reference https://git.kernel.org/stable/c/cc4191e8ef40d2249c1b9a8617d22ec8a976b574
    Added Reference https://git.kernel.org/stable/c/d4e3eaaa3cb3af77836d806c89cd6ebf533a7320
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.