CVE-2024-35819
Estado: AnalizadaMedia (5.5)—
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: soc: fsl: qbman: use spinlock sin formato para cgr_lock smp_call_function siempre ejecuta su devolución de llamada en un contexto IRQ duro, incluso en PREEMPT_RT, donde los spinlocks pueden dormir. Por lo tanto, necesitamos usar un spinlock sin formato para cgr_lock para asegurarnos de que no estamos esperando una tarea inactiva. Aunque este error ha existido por un tiempo, no fue evidente hasta la confirmación ef2a8d5478b9 ("net: dpaa: Ajustar la profundidad de la cola al cambiar la velocidad") que invoca smp_call_function_single a través de qman_update_cgr_safe cada vez que un enlace sube o baja.
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: 0.23%
- Percentil entre todas las CVEs puntuadas: 13
- Fecha de la puntuación: 8/10/2026
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
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/2b3fede8225133671ce837c0d284804aa3bc7a02
- https://git.kernel.org/stable/c/32edca2f03a6cc42c650ddc3ad83d086e3f365d1
- https://git.kernel.org/stable/c/54d26adf64c04f186098b39dba86b86037084baa
- https://git.kernel.org/stable/c/9a3ca8292ce9fdcce122706c28c3f07bc857fe5e
- https://git.kernel.org/stable/c/cd53a8ae5aacb4ecd25088486dea1cd02e74b506
- https://git.kernel.org/stable/c/d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14
- https://git.kernel.org/stable/c/f39d36b7540cf0088ed7ce2de2794f2aa237f6df
- https://git.kernel.org/stable/c/fbec4e7fed89b579f2483041fabf9650fb0dd6bc
- https://git.kernel.org/stable/c/ff50716b7d5b7985979a5b21163cd79fb3d21d59
- https://git.kernel.org/stable/c/2b3fede8225133671ce837c0d284804aa3bc7a02
- https://git.kernel.org/stable/c/32edca2f03a6cc42c650ddc3ad83d086e3f365d1
- https://git.kernel.org/stable/c/54d26adf64c04f186098b39dba86b86037084baa
- https://git.kernel.org/stable/c/9a3ca8292ce9fdcce122706c28c3f07bc857fe5e
- https://git.kernel.org/stable/c/cd53a8ae5aacb4ecd25088486dea1cd02e74b506
- https://git.kernel.org/stable/c/d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14
- https://git.kernel.org/stable/c/f39d36b7540cf0088ed7ce2de2794f2aa237f6df
- https://git.kernel.org/stable/c/fbec4e7fed89b579f2483041fabf9650fb0dd6bc
- https://git.kernel.org/stable/c/ff50716b7d5b7985979a5b21163cd79fb3d21d59
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
JSON original (NVD)
Mostrar
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