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CVE-2024-56752

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new()

When the call to gf100_grctx_generate() fails, unlock gr->fecs.mutex before returning the error.

Fixes smatch warning:

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:480 gf100_gr_chan_new() warn: inconsistent returns '&gr->fecs.mutex'.

CVSS

Probabilidad de explotación (EPSS)

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 (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2024-56752",
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          "version": "2.0.3",
          "timestamp": "2025-10-01T19:57:25.112608Z"
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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  "published": "2024-12-29T12:15:08.753",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new()\n\nWhen the call to gf100_grctx_generate() fails, unlock gr->fecs.mutex\nbefore returning the error.\n\nFixes smatch warning:\n\ndrivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:480 gf100_gr_chan_new() warn: inconsistent returns '&gr->fecs.mutex'."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/nouveau/gr/gf100: Se corrige el desbloqueo faltante en gf100_gr_chan_new() Cuando falla la llamada a gf100_grctx_generate(), desbloquea gr->fecs.mutex antes de devolver el error. Corrige la advertencia smatch: drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:480 Advertencia gf100_gr_chan_new(): inconsistente devuelve '&gr->fecs.mutex'."
    }
  ],
  "lastModified": "2026-06-17T08:12:54.453",
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