ghsa-wqhf-3p4j-3r83
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: tegra20-slink: fix UAF in tegra_slink_remove()

After calling spi_unregister_master(), the refcount of master will be decrease to 0, and it will be freed in spi_controller_release(), the device data also will be freed, so it will lead a UAF when using 'tspi'. To fix this, get the master before unregister and put it when finish using it.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50192"
  ],
  "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: tegra20-slink: fix UAF in tegra_slink_remove()\n\nAfter calling spi_unregister_master(), the refcount of master will\nbe decrease to 0, and it will be freed in spi_controller_release(),\nthe device data also will be freed, so it will lead a UAF when using\n\u0027tspi\u0027. To fix this, get the master before unregister and put it when\nfinish using it.",
  "id": "GHSA-wqhf-3p4j-3r83",
  "modified": "2025-06-18T12:30:54Z",
  "published": "2025-06-18T12:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50192"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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