ghsa-5q59-p2qj-rxxm
Vulnerability from github
Published
2025-06-18 12:30
Modified
2025-06-18 12:30
Details

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

spi: Fix simplification of devm_spi_register_controller

This reverts commit 59ebbe40fb51 ("spi: simplify devm_spi_register_controller").

If devm_add_action() fails in devm_add_action_or_reset(), devm_spi_unregister() will be called, it decreases the refcount of 'ctlr->dev' to 0, then it will cause uaf in the drivers that calling spi_put_controller() in error path.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50190"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T11:15:49Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: Fix simplification of devm_spi_register_controller\n\nThis reverts commit 59ebbe40fb51 (\"spi: simplify\ndevm_spi_register_controller\").\n\nIf devm_add_action() fails in devm_add_action_or_reset(),\ndevm_spi_unregister() will be called, it decreases the\nrefcount of \u0027ctlr-\u003edev\u0027 to 0, then it will cause uaf in\nthe drivers that calling spi_put_controller() in error path.",
  "id": "GHSA-5q59-p2qj-rxxm",
  "modified": "2025-06-18T12:30:54Z",
  "published": "2025-06-18T12:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50190"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34bab623ebfc08398499e463396b81abb4abe01e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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