CVE-2025-37930
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
drm/nouveau: Fix WARN_ON in nouveau_fence_context_kill()
Nouveau is mostly designed in a way that it's expected that fences only ever get signaled through nouveau_fence_signal(). However, in at least one other place, nouveau_fence_done(), can signal fences, too. If that happens (race) a signaled fence remains in the pending list for a while, until it gets removed by nouveau_fence_update().
Should nouveau_fence_context_kill() run in the meantime, this would be a bug because the function would attempt to set an error code on an already signaled fence.
Leer descripción completaMostrar menos
Have nouveau_fence_context_kill() check for a fence being signaled.
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: 0.22%
- Percentil entre todas las CVEs puntuadas: 12
- 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-617
Referencias
- https://git.kernel.org/stable/c/0453825167ecc816ec15c736e52316f69db0deb9
- https://git.kernel.org/stable/c/126f5c6e0cb84e5c6f7a3a856d799d85668fb38e
- https://git.kernel.org/stable/c/2ec0f5f6d4768f292c8406ed92fa699f184577e5
- https://git.kernel.org/stable/c/39d6e889c0b19a2c79e1c74c843ea7c2d0f99c28
- https://git.kernel.org/stable/c/47ca11836c35c5698088fd87f7fb4b0ffa217e17
- https://git.kernel.org/stable/c/b771b2017260ffc3a8d4e81266619649bffcb242
- https://git.kernel.org/stable/c/bbe5679f30d7690a9b6838a583b9690ea73fe0e9
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: Fix WARN_ON in nouveau_fence_context_kill()\n\nNouveau is mostly designed in a way that it's expected that fences only\never get signaled through nouveau_fence_signal(). However, in at least\none other place, nouveau_fence_done(), can signal fences, too. If that\nhappens (race) a signaled fence remains in the pending list for a while,\nuntil it gets removed by nouveau_fence_update().\n\nShould nouveau_fence_context_kill() run in the meantime, this would be\na bug because the function would attempt to set an error code on an\nalready signaled fence.\n\nHave nouveau_fence_context_kill() check for a fence being signaled."
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/nouveau: Corrección de WARN_ON en nouveau_fence_context_kill(). Nouveau está diseñado principalmente de tal manera que se espera que las vallas solo se señalicen mediante nouveau_fence_signal(). Sin embargo, en al menos otro lugar, nouveau_fence_done(), también puede señalizar vallas. Si esto sucede (ejecución), una valla señalizada permanece en la lista de pendientes durante un tiempo, hasta que nouveau_fence_update() la elimina. Si nouveau_fence_context_kill() se ejecuta mientras tanto, esto sería un error porque la función intentaría establecer un código de error en una valla ya señalizada. Haga que nouveau_fence_context_kill() compruebe si hay una valla señalizada."
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