CVE-2025-39972
Published Oct 15, 2025
Modified Apr 15, 2026
Description
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().
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References
Other References
https://git.kernel.org/stable/c/34dfac0c904829967d500c51f216916ce1452957
https://git.kernel.org/stable/c/4d5e804a9e19b639b18fd13664dbad3c03c79e61
https://git.kernel.org/stable/c/50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cd
https://git.kernel.org/stable/c/6f15a7b34fae75e745bdc2ec05e06ddfd0dd2f3c
https://git.kernel.org/stable/c/aa68d3c3ac8d1dcec40d52ae27e39f6d32207009
https://git.kernel.org/stable/c/b6cb93a7ff208f324c7ec581d72995f80e115e0e
https://git.kernel.org/stable/c/cc4191e8ef40d2249c1b9a8617d22ec8a976b574
https://git.kernel.org/stable/c/d4e3eaaa3cb3af77836d806c89cd6ebf533a7320
Frequently Asked Questions
What is CVE-2025-39972? +
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().
How do I check if I'm vulnerable to CVE-2025-39972? +
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.