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Review reviewHigh

CVE-2025-39970

Linux

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.

CVSS
8.8
EPSS
0.14%
4.16% percentile
CISA KEV
Not listed
Published
2025.10.15
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.14%
Technical severityCVSS 8.8

Vulnerability overview

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 product and versions

Product
Linux
Affected versions
>= e284fc280473bed23f2e1ed324e102a48f7d17e1 < a88c1b2746eccf00e2094b187945f0f1e990b400, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 28465770ca3b694286ff9ed6dfd558413f57d98f, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < f8c8e11825b24661596fa8db2f0981ba17ed0817, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 461e0917eedcd159d87f3ea846754a1e07d7e78a, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 3883e9702b6a4945e93b16c070f338a9f5b496f9, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 3118f41d8fa57b005f53ec3db2ba5eab1d7ba12b, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 560e1683410585fbd5df847f43433c4296f0d222, >= e284fc280473bed23f2e1ed324e102a48f7d17e1 < 9739d5830497812b0bdeaee356ddefbe60830b88, >= 4.17
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
Not available