CVE-2025-40135
Estado: AplazadaAlta (8.1)—
In the Linux kernel, the following vulnerability has been resolved:
ipv6: use RCU in ip6_xmit()
Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.55%
- Percentil entre todas las CVEs puntuadas: 44
- Fecha de la puntuación: 5/10/2026
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
T1190Exploit Public-Facing Applicationinitial access60 %
Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.
🛡️ 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/9085e56501d93af9f2d7bd16f7fcfacdde47b99c
- https://git.kernel.org/stable/c/bd0905e2122e3680968cd0741966983490bf2ed3
- https://git.kernel.org/stable/c/f0a54d00d2f36de40266f47c27989853e8588656
- https://git.kernel.org/stable/c/f69fec6287565fdeb61f65e700a1184352306943
- https://git.kernel.org/stable/c/f7f9e924f23684b4b23cd9f976cceab24a968e34
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
JSON original (NVD)
Mostrar
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"role": "CISA Coordinator",
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{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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],
"version": "2.0.3",
"timestamp": "2026-06-16T19:58:56.548938Z"
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"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
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"published": "2025-11-12T11:15:43.220",
"references": [
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],
"vulnStatus": "Deferred",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: use RCU in ip6_xmit()\n\nUse RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent\npossible UAF."
}
],
"lastModified": "2026-07-30T06:24:13.067",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}