CVE-2025-39687
Estado: ModificadaAlta (7.1)—
In the Linux kernel, the following vulnerability has been resolved:
iio: light: as73211: Ensure buffer holes are zeroed
Given that the buffer is copied to a kfifo that ultimately user space can read, ensure we zero it.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Puntuación base: 7.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.18%
- Percentil entre todas las CVEs puntuadas: 7
- 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
T1005Data from Local Systemcollection75 % - Impacto secundario
T1499.004Application or System Exploitationimpact65 %
Acceso local (AV:L) sin interacción (UI:N) con privilegios de usuario (PR:L) permite escalar a través de buffer sin inicializar. Lectura de memoria kernel (buffer holes) e impacto de disponibilidad por corrupción de datos.
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
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/433b99e922943efdfd62b9a8e3ad1604838181f2
- https://git.kernel.org/stable/c/83f14c4ca1ad78fcfb3e0de07d6d8a0c59550fc2
- https://git.kernel.org/stable/c/8acd9a0eaa8c9a28e385c0a6a56bb821cb549771
- https://git.kernel.org/stable/c/99b508340d0d1b9de0856c48c77898b14c0df7cf
- https://git.kernel.org/stable/c/cce55ca4e7a221d5eb2c0b757a868eacd6344e4a
- https://git.kernel.org/stable/c/d8c5d87a431596e0e02bd7fe3bff952b002a03bb
- https://git.kernel.org/stable/c/fd441fd972067f80861a0b66605c0febb0d038dd
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
JSON original (NVD)
Mostrar
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