{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "dd82a9e02c054052b5899872c1f32805428f6131"
            },
            {
              "fixed": "455a48685feebf2d9c1656caad77f9ba1da7b06e"
            },
            {
              "fixed": "c575459b485c47615491b1fd29f04b43fdc3da56"
            },
            {
              "fixed": "88973240dc7c976dd320b36a9e6d925c9be083ae"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.15.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63866.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Clear wcid pointer in mt7996_mac_sta_deinit_link()\n\nClear WCID pointer removing the sta link in mt7996_mac_sta_deinit_link\nroutine.",
  "id": "CVE-2026-63866",
  "modified": "2026-08-12T03:51:41.195246719Z",
  "published": "2026-07-19T14:04:51.806Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/455a48685feebf2d9c1656caad77f9ba1da7b06e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/88973240dc7c976dd320b36a9e6d925c9be083ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c575459b485c47615491b1fd29f04b43fdc3da56"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63866.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63866"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "wifi: mt76: mt7996: Clear wcid pointer in mt7996_mac_sta_deinit_link()"
}