{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-38013",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-38013"
  ],
  "published": "2025-06-18T09:29:20Z",
  "summary": "wifi: mac80211: Set n_channels after allocating struct cfg80211_scan_request",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: Set n_channels after allocating struct cfg80211_scan_request\n\nMake sure that n_channels is set after allocating the\nstruct cfg80211_registered_device::int_scan_req member. Seen with\nsyzkaller:\n\nUBSAN: array-index-out-of-bounds in net/mac80211/scan.c:1208:5\nindex 0 is out of range for type 'struct ieee80211_channel *[] __counted_by(n_channels)' (aka 'struct ieee80211_channel *[]')\n\nThis was missed in the initial conversions because I failed to locate\nthe allocation likely due to the \"sizeof(void *)\" not matching the\n\"channels\" array type.",
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-38013"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/fde33ab3c052a302ee8a0b739094b88ceae4dd67"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/07c737d9ab02c07b562aefcca16aa95077368e24"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e3192e999a0d05ea0ba2c59c09afaf0b8ee70b81"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/82bbe02b2500ef0a62053fe2eb84773fe31c5a0a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}