CVE-2025-38437
Estado: ModificadaAlta (7.8)—
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix potential use-after-free in oplock/lease break ack
If ksmbd_iov_pin_rsp return error, use-after-free can happen by accessing opinfo->state and opinfo_put and ksmbd_fd_put could called twice.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.39%
- Percentil entre todas las CVEs puntuadas: 31
- 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 Interpreterexecution60 %
Vulnerabilidad local (AV:L, PR:L) sin interacción de usuario en kernel Linux (ksmbd) que permite escalada de privilegios mediante use-after-free (CWE-416), con impacto de confidencialidad, integridad y disponibilidad altos.
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 (2)
CWE
- CWE-416
Referencias
- https://git.kernel.org/stable/c/50f930db22365738d9387c974416f38a06e8057e
- https://git.kernel.org/stable/c/8106adc21a2270c16abf69cd74ccd7c79c6e7acd
- https://git.kernel.org/stable/c/815f1161d6dbc4c54ccf94b7d3fdeab34b4d7477
- https://git.kernel.org/stable/c/97c355989928a5f60b228ef5266c1be67a46cdf9
- https://git.kernel.org/stable/c/e38ec88a2b42c494601b1213816d75f0b54d9bf0
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
JSON original (NVD)
Mostrar
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