CVE-2025-39971
Published Oct 15, 2025
Modified Apr 15, 2026
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().
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References
Other References
https://git.kernel.org/stable/c/1fa0aadade34481c567cdf4a897c0d4e4d548bd1
https://git.kernel.org/stable/c/2cc26dac0518d2fa9b67ec813ee60e183480f98a
https://git.kernel.org/stable/c/5c1f96123113e0bdc6d8dc2b0830184c93da9f65
https://git.kernel.org/stable/c/8b9c7719b0987b1c6c5fc910599f3618a558dbde
https://git.kernel.org/stable/c/a6ff2af78343eceb0f77ab1a2fe802183bc21648
https://git.kernel.org/stable/c/bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b
https://git.kernel.org/stable/c/f1ad24c5abe1eaef69158bac1405a74b3c365115
https://git.kernel.org/stable/c/f5f91d164af22e7147130ef8bebbdb28d8ecc6e2
Frequently Asked Questions
What is 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().
How do I check if I'm vulnerable to CVE-2025-39971? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.