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CVE-2025-39970

i40e: fix input validation logic for action_meta

HIGH
8.8
CVSS Score
Published: October 15, 2025 at 07:55 AM UTC
Updated: October 19, 2026 at 09:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
4.17e284fc280473bed23f2e1ed324e102a48f7d17e1
Vendor states this is fixed in 28465770ca3b694286ff9ed6dfd558413f57d98f (fixed)
Vendor states this is fixed in 3118f41d8fa57b005f53ec3db2ba5eab1d7ba12b (fixed)
Vendor states this is fixed in 3883e9702b6a4945e93b16c070f338a9f5b496f9 (fixed)
Vendor states this is fixed in 461e0917eedcd159d87f3ea846754a1e07d7e78a (fixed)
Vendor states this is fixed in 560e1683410585fbd5df847f43433c4296f0d222 (fixed)
Vendor states this is fixed in 9739d5830497812b0bdeaee356ddefbe60830b88 (fixed)
Vendor states this is fixed in a88c1b2746eccf00e2094b187945f0f1e990b400 (fixed)
Vendor states this is fixed in f8c8e11825b24661596fa8db2f0981ba17ed0817 (fixed)
Vendor states this is fixed in 4.17 (unaffected)
Vendor states this is fixed in 5.10.245 (unaffected)
Vendor states this is fixed in 5.15.194 (unaffected)
Vendor states this is fixed in 5.4.300 (unaffected)
Vendor states this is fixed in 6.1.155 (unaffected)
Vendor states this is fixed in 6.12.50 (unaffected)
Vendor states this is fixed in 6.16.10 (unaffected)
Vendor states this is fixed in 6.17 (unaffected)
Vendor states this is fixed in 6.6.109 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (8)

Source: cverecord
https://git.kernel.org/stable/c/a88c1b2746eccf00e2094b187945f0f1e990b400
Source: cverecord
https://git.kernel.org/stable/c/28465770ca3b694286ff9ed6dfd558413f57d98f
Source: cverecord
https://git.kernel.org/stable/c/f8c8e11825b24661596fa8db2f0981ba17ed0817
Source: cverecord
https://git.kernel.org/stable/c/461e0917eedcd159d87f3ea846754a1e07d7e78a
Source: cverecord
https://git.kernel.org/stable/c/3883e9702b6a4945e93b16c070f338a9f5b496f9
Source: cverecord
https://git.kernel.org/stable/c/3118f41d8fa57b005f53ec3db2ba5eab1d7ba12b
Source: cverecord
https://git.kernel.org/stable/c/560e1683410585fbd5df847f43433c4296f0d222
Source: cverecord
https://git.kernel.org/stable/c/9739d5830497812b0bdeaee356ddefbe60830b88

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHLinux
Vector?

Quick Info

StatusDEFERRED

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