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Vulnerabilities

Vulnerability · 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 derefe

Published Oct 15, 2025 · catalog updated Oct 15, 2026 · Linux Linux

Check if you run it

No confirmed exploitation is on record for CVE-2025-39970. EPSS is 0.15%. Act only if a listed version of Linux Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Vendor / distro source
Affected products
vendor Linux Linux patch: 5.4.300

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux patch: 5.4.300patch: 5.4.300

How to fix CVE-2025-39970

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-39970. EPSS is 0.15%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux patch: 5.4.300 patch: 5.4.300. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 15, 2025 · NIST NVD

    Detected

    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.

  2. Oct 15, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-39970

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-39970

    30-day exploitation probability 0.2%

    first.org
  • EUVDVulnerability recordEUVD-2025-34602

    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.

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.