ghsa-w5j3-3j83-3j22
Vulnerability from github
Published
2024-07-16 12:30
Modified
2024-08-07 21:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

iwlwifi: fix use-after-free

If no firmware was present at all (or, presumably, all of the firmware files failed to parse), we end up unbinding by calling device_release_driver(), which calls remove(), which then in iwlwifi calls iwl_drv_stop(), freeing the 'drv' struct. However the new code I added will still erroneously access it after it was freed.

Set 'failure=false' in this case to avoid the access, all data was already freed anyway.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-48787"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-16T12:15:03Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niwlwifi: fix use-after-free\n\nIf no firmware was present at all (or, presumably, all of the\nfirmware files failed to parse), we end up unbinding by calling\ndevice_release_driver(), which calls remove(), which then in\niwlwifi calls iwl_drv_stop(), freeing the \u0027drv\u0027 struct. However\nthe new code I added will still erroneously access it after it\nwas freed.\n\nSet \u0027failure=false\u0027 in this case to avoid the access, all data\nwas already freed anyway.",
  "id": "GHSA-w5j3-3j83-3j22",
  "modified": "2024-08-07T21:31:43Z",
  "published": "2024-07-16T12:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-48787"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/008508c16af0087cda0394e1ac6f0493b01b6063"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/494de920d98f125b099f27a2d274850750aff957"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d6475179b85a83186ccce59cdc359d4f07d0bcb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9958b9cbb22145295ee1ffaea0904c383da2c05d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bea2662e7818e15d7607d17d57912ac984275d94"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d3b98fe36f8a06ce654049540773256ab59cb53d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ddd46059f7d99119b62d44c519df7a79f2e6a515"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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