{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "6f7eaa47e1de30159277f91f1145a6687f13ffd9"
            },
            {
              "fixed": "6bae6ef511a29ef12ab969adeea691067d4d5d74"
            },
            {
              "fixed": "d0afa5395c46d73ad2090aa50209886e84f179bd"
            },
            {
              "fixed": "742c762bee59c973684f70dfed7de4945d3141e2"
            },
            {
              "fixed": "fce36d242a18ddf64731d816a37564103172da11"
            },
            {
              "fixed": "1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b"
            },
            {
              "fixed": "038e1d126304fd25d507fd4e671232df57bd1799"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.17.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.54"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98421.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: require a peer station for TDLS setup confirm\n\nIt's nonsense for the setup confirm to go to station that\ndoesn't even exist, and it hits a warning when building\nthe frame:\n\n  WARN_ON_ONCE(!sta || !ap_sta)\n\nOnly accept WLAN_TDLS_SETUP_CONFIRM when the station is\nalready there as a TDLS station. Need to copy the call\nto ieee80211_tdls_prep_mgmt_packet() since the existing\nWLAN_TDLS_DISCOVERY_REQUEST already falls through to it.",
  "id": "CVE-2026-98421",
  "modified": "2026-10-15T02:31:03.877530583Z",
  "published": "2026-10-14T13:27:50.200Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/038e1d126304fd25d507fd4e671232df57bd1799"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6bae6ef511a29ef12ab969adeea691067d4d5d74"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/742c762bee59c973684f70dfed7de4945d3141e2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0afa5395c46d73ad2090aa50209886e84f179bd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fce36d242a18ddf64731d816a37564103172da11"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98421.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98421"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: mac80211: require a peer station for TDLS setup confirm"
}