CVE-2025-39971

i40e: fix idx validation in config queues msg

State: Published
Severity: 8.8 High
Published: Oct 15, 2025
Updated: Aug 5, 2026
Reserved: Apr 16, 2025

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().

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before a6ff2af78343eceb0f77ab1a2fe802183bc21648Affected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before f5f91d164af22e7147130ef8bebbdb28d8ecc6e2Affected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 1fa0aadade34481c567cdf4a897c0d4e4d548bd1Affected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 8b9c7719b0987b1c6c5fc910599f3618a558dbdeAffected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 2cc26dac0518d2fa9b67ec813ee60e183480f98aAffected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before bfcc1dff429d4b99ba03e40ddacc68ea4be2b32bAffected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 5c1f96123113e0bdc6d8dc2b0830184c93da9f65Affected c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before f1ad24c5abe1eaef69158bac1405a74b3c365115Affected
LinuxLinux	4.17Affected before 4.17Not affected 5.4.300 through 5.4.Not affected 5.10.245 through 5.10.Not affected 5.15.194 through 5.15.Not affected 6.1.155 through 6.1.Not affected 6.6.109 through 6.6.Not affected 6.12.50 through 6.12.Not affected 6.16.10 through 6.16.*Not affected 6.17 and laterNot affected

Product

Versions

LinuxLinux

c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before a6ff2af78343eceb0f77ab1a2fe802183bc21648Affected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before f5f91d164af22e7147130ef8bebbdb28d8ecc6e2Affected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 1fa0aadade34481c567cdf4a897c0d4e4d548bd1Affected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 8b9c7719b0987b1c6c5fc910599f3618a558dbdeAffected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 2cc26dac0518d2fa9b67ec813ee60e183480f98aAffected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before bfcc1dff429d4b99ba03e40ddacc68ea4be2b32bAffected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before 5c1f96123113e0bdc6d8dc2b0830184c93da9f65Affected
c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 to before f1ad24c5abe1eaef69158bac1405a74b3c365115Affected

LinuxLinux

4.17Affected
before 4.17Not affected
5.4.300 through 5.4.*Not affected
5.10.245 through 5.10.*Not affected
5.15.194 through 5.15.*Not affected
6.1.155 through 6.1.*Not affected
6.6.109 through 6.6.*Not affected
6.12.50 through 6.12.*Not affected
6.16.10 through 6.16.*Not affected
6.17 and laterNot affected

References

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