Vulnerability in Linux

CVE-2025-39971

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().

EPSS: 0.001 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

  • Linux — versions c27eac48160de72dee33d42b5a33cc7b8a2eb1f5, 4.17, 0

References

Frequently asked questions

What is CVE-2025-39971?
CVE-2025-39971 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2025-10-15.
How severe is CVE-2025-39971?
High severity. CVSS v3 base score is 8.8 out of 10.