High 8.8Published Oct 15, 2025

CVE-2025-39971i40e: fix idx validation in config queues msg

Updated under an hour ago (Oct 27, 2026, 3:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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().

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 before a6ff2af78343eceb0f77ab1a2fe802183bc21648; from c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 before f5f91d164af22e7147130ef8bebbdb28d8ecc6e2; from c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 before 1fa0aadade34481c567cdf4a897c0d4e4d548bd1; from c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 before 8b9c7719b0987b1c6c5fc910599f3618a558dbde; from c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 before 2cc26dac0518d2fa9b67ec813ee60e183480f98a; from c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 before bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b; from c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 before 5c1f96123113e0bdc6d8dc2b0830184c93da9f65; from c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 before f1ad24c5abe1eaef69158bac1405a74b3c365115	CNA record

References

References

https://git.kernel.org/stable/c/a6ff2af78343eceb0f77ab1a2fe802183bc21648
https://git.kernel.org/stable/c/f5f91d164af22e7147130ef8bebbdb28d8ecc6e2
https://git.kernel.org/stable/c/1fa0aadade34481c567cdf4a897c0d4e4d548bd1
https://git.kernel.org/stable/c/8b9c7719b0987b1c6c5fc910599f3618a558dbde
https://git.kernel.org/stable/c/2cc26dac0518d2fa9b67ec813ee60e183480f98a
https://git.kernel.org/stable/c/bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b
https://git.kernel.org/stable/c/5c1f96123113e0bdc6d8dc2b0830184c93da9f65
https://git.kernel.org/stable/c/f1ad24c5abe1eaef69158bac1405a74b3c365115

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.