{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "87e8657ba99cac87b84c7f8ead91b44d88345504"
            },
            {
              "fixed": "ad1c9d13e04509ae24fae8dd2897148657323519"
            },
            {
              "fixed": "4cef4237d6c37257cb6ddc397723e9c0dded0efe"
            },
            {
              "fixed": "09b2d906d78ddf5042b1f3e0091835fc6997e8a4"
            },
            {
              "fixed": "214e0d8fe4a813ae6ffd62bc2dfe7544c20914f4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49454.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup()\n\nThe of_find_compatible_node() function returns a node pointer with\nrefcount incremented, We should use of_node_put() on it when done\nAdd the missing of_node_put() to release the refcount.",
  "id": "CVE-2022-49454",
  "modified": "2026-04-01T23:10:39.656387072Z",
  "published": "2025-02-26T02:13:03.435Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/09b2d906d78ddf5042b1f3e0091835fc6997e8a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/214e0d8fe4a813ae6ffd62bc2dfe7544c20914f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4cef4237d6c37257cb6ddc397723e9c0dded0efe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad1c9d13e04509ae24fae8dd2897148657323519"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49454.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49454"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "PCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup()"
}