CVE-2020-24863
Estado: ModificadaMedia (5.5)—
A memory corruption vulnerability was found in the kernel function kern_getfsstat in MidnightBSD before 1.2.7 and 1.3 through 2020-08-19, and FreeBSD through 11.4, that allows an attacker to trigger an invalid free and crash the system via a crafted size value in conjunction with an invalid mode.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.53%
- Percentil entre todas las CVEs puntuadas: 43
- 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).
Tecnologías afectadas (2)
CWE
- CWE-787
Referencias
- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt
- https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c
- https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc
- https://www.midnightbsd.org/notes/
- http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt
- https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c
- https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc
- https://www.midnightbsd.org/notes/
JSON original (NVD)
Mostrar
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