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CVE-2022-50176

Estado: AnalizadaMedia (5.5)—

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

drm/mcde: Fix refcount leak in mcde_dsi_bind

Every iteration of for_each_available_child_of_node() decrements the reference counter of the previous node. There is no decrement when break out from the loop and results in refcount leak. Add missing of_node_put() to fix this.

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-50176",
  "cveTags": [],
  "metrics": {
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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:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
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          "programFiles": [
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          "product": "Linux",
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            {
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
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          ],
          "programFiles": [
            "drivers/gpu/drm/mcde/mcde_dsi.c"
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  ],
  "published": "2025-06-18T11:15:47.993",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/3123ae6fdd4013d24a3a4877084b14e917faae5c",
      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "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\ndrm/mcde: Fix refcount leak in mcde_dsi_bind\n\nEvery iteration of for_each_available_child_of_node() decrements\nthe reference counter of the previous node. There is no decrement\nwhen break out from the loop and results in refcount leak.\nAdd missing of_node_put() to fix this."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/mcde: Se corrige la fuga de recuento de referencias en mcde_dsi_bind. Cada iteración de for_each_available_child_of_node() decrementa el contador de referencias del nodo anterior. No se produce decremento al salir del bucle, lo que provoca una fuga de recuento de referencias. Para solucionar esto, se ha añadido la función of_node_put() (faltante)."
    }
  ],
  "lastModified": "2026-06-17T05:22:54.920",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}