fkie_cve-2022-49431
Vulnerability from fkie_nvd
Published
2025-02-26 07:01
Modified
2025-10-22 17:26
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Add missing of_node_put in iommu_init_early_dart The device_node pointer is returned by of_find_compatible_node with refcount incremented. We should use of_node_put() to avoid the refcount leak.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/57b742a5b8945118022973e6416b71351df512fbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7e3f1dfb9e21733d7276bc9ccea4daada163f2baPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8657e8ea23325949091da72453ba84fb73cc2bd9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cb4f2dc513e99c5d0485661f114e4dda73612d10Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/df6d8b689252c0acc0448d4ae3d33f2d6db048abPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dfc308d6f29aa28463deb9a12278a85a382385caPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
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              "matchCriteriaId": "C1C86ABC-337F-46B3-BCD8-22DC5A66E45A",
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: Add missing of_node_put in iommu_init_early_dart\n\nThe device_node pointer is returned by of_find_compatible_node\nwith refcount incremented. We should use of_node_put() to avoid\nthe refcount leak."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: powerpc/iommu: falta of_node_put en iommu_init_early_dart El puntero device_node es devuelto por of_find_compatible_node con refcount incrementado. Deber\u00edamos usar of_node_put() para evitar la fuga de refcount."
    }
  ],
  "id": "CVE-2022-49431",
  "lastModified": "2025-10-22T17:26:58.847",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2025-02-26T07:01:19.573",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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