{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-21979",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-21979"
  ],
  "published": "2025-04-01T15:46:27Z",
  "summary": "wifi: cfg80211: cancel wiphy_work before freeing wiphy",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: cancel wiphy_work before freeing wiphy\n\nA wiphy_work can be queued from the moment the wiphy is allocated and\ninitialized (i.e. wiphy_new_nm). When a wiphy_work is queued, the\nrdev::wiphy_work is getting queued.\n\nIf wiphy_free is called before the rdev::wiphy_work had a chance to run,\nthe wiphy memory will be freed, and then when it eventally gets to run\nit'll use invalid memory.\n\nFix this by canceling the work before freeing the wiphy.",
  "affected": [
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        "name": "linux"
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-21979"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8930a3e1568cf534f86c8ed2def817c6d0528fc1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0272d4af7f92997541d8bbf4c51918b93ded6ee2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/75d262ad3c36d52852d764588fcd887f0fcd9138"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a5158d67bff06cb6fea31be39aeb319fd908ed8e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/dea22de162058216a90f2706f0d0b36f0ff309fd"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/72d520476a2fab6f3489e8388ab524985d6c4b90"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}