ghsa-362x-cqj5-vh62
Vulnerability from github
Published
2025-09-17 15:30
Modified
2025-09-17 15:30
Details

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

i2c: mux: reg: check return value after calling platform_get_resource()

It will cause null-ptr-deref in resource_size(), if platform_get_resource() returns NULL, move calling resource_size() after devm_ioremap_resource() that will check 'res' to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50364"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-17T15:15:35Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: mux: reg: check return value after calling platform_get_resource()\n\nIt will cause null-ptr-deref in resource_size(), if platform_get_resource()\nreturns NULL, move calling resource_size() after devm_ioremap_resource() that\nwill check \u0027res\u0027 to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code.",
  "id": "GHSA-362x-cqj5-vh62",
  "modified": "2025-09-17T15:30:38Z",
  "published": "2025-09-17T15:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50364"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2d47b79d2bd39cc6369eccf94a06568d84c906ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61df25c41b8e0d2c988ccf17139f70075a2e1ba4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8212800943997fab61874550278d653cb378c60c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f5049b3ad9446203b916ee375f30fa217735f63a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f7a440c89b6d460154efeb058272760e41bdfea8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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