CVE-2025-39972

8.8 HIGH 0.2% exploit odds No fix listed Other OS & kernel

What it is

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().

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2025-04-16 07:20 UTC ReservedThe CVE id was reserved by its CNA
2025-10-15 08:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-19 21:10 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 8.8 HIGH (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2025-10-15 08:15 UTC
Last modified: 2026-10-19 21:10 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Record status: Deferred

Attack profile CVSS 3.1 · 8.8

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2025-39972.md and follow it. Check whether this project is affected by CVE-2025-39972. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record