fkie_cve-2025-37930
Vulnerability from fkie_nvd
Published
2025-05-20 16:15
Modified
2025-11-10 20:16
Summary
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. Have nouveau_fence_context_kill() check for a fence being signaled.



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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "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\u0027s 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: Correcci\u00f3n de WARN_ON en nouveau_fence_context_kill(). Nouveau est\u00e1 dise\u00f1ado principalmente de tal manera que se espera que las vallas solo se se\u00f1alicen mediante nouveau_fence_signal(). Sin embargo, en al menos otro lugar, nouveau_fence_done(), tambi\u00e9n puede se\u00f1alizar vallas. Si esto sucede (ejecuci\u00f3n), una valla se\u00f1alizada 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 ser\u00eda un error porque la funci\u00f3n intentar\u00eda establecer un c\u00f3digo de error en una valla ya se\u00f1alizada. Haga que nouveau_fence_context_kill() compruebe si hay una valla se\u00f1alizada."
    }
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  "id": "CVE-2025-37930",
  "lastModified": "2025-11-10T20:16:11.453",
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          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2025-05-20T16:15:29.600",
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}


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