CVE-2025-39970
In the Linux kernel, the following vulnerability has been resolved: i40e: fix input validation logic for action_meta Fix condition to check 'greater or equal' to prevent OOB dereference.
Affected versions
Linux kernel versions
4.17
and later are affected. Fixed in
5.4.300,
5.10.245,
5.15.194,
6.1.155,
6.6.109,
6.12.50,
6.16.10,
6.17
and their respective stable series.
References
The following references provide additional information about CVE-2025-39970 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/28465770ca3b694286ff9ed6dfd558413f57d98f
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PatchKernel patch commithttps://git.kernel.org/stable/c/3118f41d8fa57b005f53ec3db2ba5eab1d7ba12b
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PatchKernel patch commithttps://git.kernel.org/stable/c/3883e9702b6a4945e93b16c070f338a9f5b496f9
Frequently asked questions
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What is CVE-2025-39970?
CVE-2025-39970 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.17 onward and has been patched in 5.4.300, 5.10.245, 5.15.194 and others. CVE-2025-39970 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-39970?
Yes — CVE-2025-39970 has been patched. Fixed versions include 5.4.300, 5.10.245, 5.15.194 and others. If you are running Linux kernel 4.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-39970 actively exploited?
No — CVE-2025-39970 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.