FKIE_CVE-2022-50505

Vulnerability from fkie_nvd - Published: 2025-10-04 16:15 - Updated: 2025-10-06 14:56
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix pci device refcount leak in ppr_notifier() As comment of pci_get_domain_bus_and_slot() says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling pci_dev_put(). So call it before returning from ppr_notifier() to avoid refcount leak.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03f51c72997559e73b327608f0cccfded715c9a0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b0637f4bd426925f5c3a15e8f8e36190fe06bac5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bdb2113dd8f17a3cc84a2b4be4968a849f69ec72
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/efd50c65fd1cdef63eb58825f3fe72496443764c
Impacted products
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Fix pci device refcount leak in ppr_notifier()\n\nAs comment of pci_get_domain_bus_and_slot() says, it returns\na pci device with refcount increment, when finish using it,\nthe caller must decrement the reference count by calling\npci_dev_put(). So call it before returning from ppr_notifier()\nto avoid refcount leak."
    }
  ],
  "id": "CVE-2022-50505",
  "lastModified": "2025-10-06T14:56:21.733",
  "metrics": {},
  "published": "2025-10-04T16:15:47.730",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/03f51c72997559e73b327608f0cccfded715c9a0"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b0637f4bd426925f5c3a15e8f8e36190fe06bac5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bdb2113dd8f17a3cc84a2b4be4968a849f69ec72"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/efd50c65fd1cdef63eb58825f3fe72496443764c"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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