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CVE-2017-16939

Estado: ModificadaAlta (7.8)—Exploit
Gravedad7.8Alta · CVSS 3.1
Probabilidad de explotación2.15 %mayor que el 82 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePublicado en Exploit-DB

La implementación de políticas de volcado XFRM en net/xfrm/xfrm_user.c en el kernel de Linux en versiones anteriores a la 4.13.11 permite que usuarios locales obtengan privilegios o provoquen una denegación de servicio (uso de memoria previamente liberada) mediante una llamada del sistema a setsockopt con la opción SO_RCVBUF junto con mensajes Netlink XFRM_MSG_GETPOLICY.

CVSS

Puntuación base
7.8
Versión
3.1
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
2.15 %
Percentil entre todas las CVEs puntuadas
82
Fecha de la puntuación
20/10/2026

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).

Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (2)

Debian — Debian LinuxLinux — Linux Kernel

CWE

Referencias

Mostrar las 28 referencias

JSON original (NVD)

Mostrar
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