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CVE-2022-49422

Estado: AnalizadaMedia (5.5)—

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

dmaengine: idxd: Fix the error handling path in idxd_cdev_register()

If a call to alloc_chrdev_region() fails, the already allocated resources are leaking.

Add the needed error handling path to fix the leak.

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)

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{
  "id": "CVE-2022-49422",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "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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          "programFiles": [
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  "published": "2025-02-26T07:01:18.657",
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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix the error handling path in idxd_cdev_register()\n\nIf a call to alloc_chrdev_region() fails, the already allocated resources\nare leaking.\n\nAdd the needed error handling path to fix the leak."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: idxd: Se corrige la ruta de gestión de errores en idxd_cdev_register(). Si falla una llamada a alloc_chrdev_region(), se pierden los recursos ya asignados. Agregue la ruta de manejo de errores necesaria para corregir la pérdida."
    }
  ],
  "lastModified": "2026-06-17T05:18:00.500",
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