Linux Kernel up to 6.16.9 i40e i40e_vc_config_queues_msg initialization

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.16.9. It has been rated as critical. The impacted element is the function i40e_vc_config_queues_msg of the component i40e. The manipulation leads to initialization. This vulnerability is listed as CVE-2025-39971. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.16.9. It has been rated as critical. This issue affects the function i40e_vc_config_queues_msg of the component i40e. The manipulation with an unknown input leads to a initialization vulnerability. Using CWE to declare the problem leads to CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. The impact remains unknown. The summary by CVE is:

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().

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2025-39971 since 04/16/2025. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/08/2026).

The vulnerability scanner Nessus provides a plugin with the ID 274816 (Debian dsa-6053 : affs-modules-6.1.0-37-4kc-malta-di - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.4.300, 5.10.245, 5.15.194, 6.1.155, 6.6.109, 6.12.50 or 6.16.10 eliminates this vulnerability. Applying the patch a6ff2af78343eceb0f77ab1a2fe802183bc21648/f5f91d164af22e7147130ef8bebbdb28d8ecc6e2/1fa0aadade34481c567cdf4a897c0d4e4d548bd1/8b9c7719b0987b1c6c5fc910599f3618a558dbde/2cc26dac0518d2fa9b67ec813ee60e183480f98a/bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b/5c1f96123113e0bdc6d8dc2b0830184c93da9f65/f1ad24c5abe1eaef69158bac1405a74b3c365115 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (274816) and CERT Bund (WID-SEC-2025-2298). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • IBM QRadar SIEM
  • Dell NetWorker

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Initialization
CWE: CWE-665
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 274816
Nessus Name: Debian dsa-6053 : affs-modules-6.1.0-37-4kc-malta-di - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.4.300/5.10.245/5.15.194/6.1.155/6.6.109/6.12.50/6.16.10
Patch: a6ff2af78343eceb0f77ab1a2fe802183bc21648/f5f91d164af22e7147130ef8bebbdb28d8ecc6e2/1fa0aadade34481c567cdf4a897c0d4e4d548bd1/8b9c7719b0987b1c6c5fc910599f3618a558dbde/2cc26dac0518d2fa9b67ec813ee60e183480f98a/bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b/5c1f96123113e0bdc6d8dc2b0830184c93da9f65/f1ad24c5abe1eaef69158bac1405a74b3c365115

Timelineinfo

04/16/2025 CVE reserved
10/15/2025 +182 days Advisory disclosed
10/15/2025 +0 days VulDB entry created
02/08/2026 +116 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-39971 (🔒)
GCVE (CVE): GCVE-0-2025-39971
GCVE (VulDB): GCVE-100-328643
CERT Bund: WID-SEC-2025-2298 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 10/15/2025 12:08
Updated: 02/08/2026 19:29
Changes: 10/15/2025 12:08 (59), 11/03/2025 13:30 (7), 11/12/2025 08:13 (2), 11/22/2025 13:12 (1), 12/21/2025 06:25 (1), 02/08/2026 19:29 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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