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CVE-2022-50139

Estado: AnalizadaMedia (5.5)—

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

usb: aspeed-vhub: Fix refcount leak bug in ast_vhub_init_desc()

We should call of_node_put() for the reference returned by of_get_child_by_name() which has increased the refcount.

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-2022-50139",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "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",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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          ],
          "programFiles": [
            "drivers/usb/gadget/udc/aspeed-vhub/hub.c"
          ],
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              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix",
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          ],
          "programFiles": [
            "drivers/usb/gadget/udc/aspeed-vhub/hub.c"
          ],
          "defaultStatus": "affected"
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      ]
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  ],
  "published": "2025-06-18T11:15:43.840",
  "references": [
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      "url": "https://git.kernel.org/stable/c/0e0a40c803643f4edc30f0660f2f3bea4d57a99a",
      "tags": [
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    {
      "url": "https://git.kernel.org/stable/c/220fafb4ed04187e9c17be4152da5a7f2ffbdd8c",
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      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: aspeed-vhub: Fix refcount leak bug in ast_vhub_init_desc()\n\nWe should call of_node_put() for the reference returned by\nof_get_child_by_name() which has increased the refcount."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: aspeed-vhub: se corrige el error de pérdida de recuento de referencias en ast_vhub_init_desc() Deberíamos llamar a of_node_put() para la referencia devuelta por of_get_child_by_name() que ha aumentado el recuento de referencias."
    }
  ],
  "lastModified": "2026-06-17T05:22:50.280",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}