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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.15%
- Percentil entre todas las CVEs puntuadas: 4
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation85 % - Impacto principal
T1059Command and Scripting Interpreterexecution75 % - Impacto secundario
T1499.004Application or System Exploitationimpact65 % - Impacto secundario
T1565Data Manipulationimpact70 %
Vulnerabilidad local (AV:L, PR:L) sin interacción del usuario en el kernel Linux. OOB dereference en validación de entrada permite escalada de privilegios (scope CHANGED, permisos altos C:H/I:H/A:H). Impactos: ejecución de código, manipulación de datos y DoS.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
- https://git.kernel.org/stable/c/28465770ca3b694286ff9ed6dfd558413f57d98f
- https://git.kernel.org/stable/c/3118f41d8fa57b005f53ec3db2ba5eab1d7ba12b
- https://git.kernel.org/stable/c/3883e9702b6a4945e93b16c070f338a9f5b496f9
- https://git.kernel.org/stable/c/461e0917eedcd159d87f3ea846754a1e07d7e78a
- https://git.kernel.org/stable/c/560e1683410585fbd5df847f43433c4296f0d222
- https://git.kernel.org/stable/c/9739d5830497812b0bdeaee356ddefbe60830b88
- https://git.kernel.org/stable/c/a88c1b2746eccf00e2094b187945f0f1e990b400
- https://git.kernel.org/stable/c/f8c8e11825b24661596fa8db2f0981ba17ed0817
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-39970",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Secondary",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 2
}
]
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{
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"affectedData": [
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],
"programFiles": [
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],
"defaultStatus": "unaffected"
},
{
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"product": "Linux",
"versions": [
{
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},
{
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{
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{
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{
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{
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},
{
"status": "unaffected",
"version": "6.6.109",
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},
{
"status": "unaffected",
"version": "6.12.50",
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},
{
"status": "unaffected",
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},
{
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"versionType": "original_commit_for_fix",
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}
],
"programFiles": [
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],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-10-15T08:15:34.620",
"references": [
{
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{
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}
],
"vulnStatus": "Deferred",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: fix input validation logic for action_meta\n\nFix condition to check 'greater or equal' to prevent OOB dereference."
}
],
"lastModified": "2026-07-30T06:24:02.763",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}