ghsa-64qw-h683-jg2m
Vulnerability from github
Published
2025-09-18 18:30
Modified
2025-09-18 18:30
Details

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

drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()

Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference.

v2: update the check to include other dereference

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50402"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-18T16:15:43Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/md/md-bitmap: check the return value of md_bitmap_get_counter()\n\nCheck the return value of md_bitmap_get_counter() in case it returns\nNULL pointer, which will result in a null pointer dereference.\n\nv2: update the check to include other dereference",
  "id": "GHSA-64qw-h683-jg2m",
  "modified": "2025-09-18T18:30:26Z",
  "published": "2025-09-18T18:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50402"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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