fkie_cve-2022-50157
Vulnerability from fkie_nvd
Published
2025-06-18 11:15
Modified
2025-06-18 13:47
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: PCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains() of_get_next_child() returns a node pointer with refcount incremented, so we should use of_node_put() on it when we don't need it anymore. mc_pcie_init_irq_domains() only calls of_node_put() in the normal path, missing it in some error paths. Add missing of_node_put() to avoid refcount leak.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6cd5f93b5c6a66c68a91dbc604a78207252ecd43
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/880ece912b958a0c92cc0baa8e906fb9b49a4b53
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f030304fdeb87ec8f1b518c73703214aec6cc24a
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()\n\nof_get_next_child() returns a node pointer with refcount incremented, so we\nshould use of_node_put() on it when we don\u0027t need it anymore.\n\nmc_pcie_init_irq_domains() only calls of_node_put() in the normal path,\nmissing it in some error paths.  Add missing of_node_put() to avoid\nrefcount leak."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI: microchip: Se corrige la fuga de recuento de referencias en mc_pcie_init_irq_domains(). of_get_next_child() devuelve un puntero de nodo con el recuento de referencias incrementado, por lo que debemos usar of_node_put() cuando ya no lo necesitemos. mc_pcie_init_irq_domains() solo llama a of_node_put() en la ruta normal, y no lo detecta en algunas rutas con errores. Se a\u00f1ade la falta de of_node_put() para evitar la fuga de recuento de referencias."
    }
  ],
  "id": "CVE-2022-50157",
  "lastModified": "2025-06-18T13:47:40.833",
  "metrics": {},
  "published": "2025-06-18T11:15:45.863",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6cd5f93b5c6a66c68a91dbc604a78207252ecd43"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/880ece912b958a0c92cc0baa8e906fb9b49a4b53"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f030304fdeb87ec8f1b518c73703214aec6cc24a"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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