{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "2b5e19677592c167d012c2d129407f39d2bdeb8d"
            },
            {
              "fixed": "f0afcec2129c166e61821d6ae097061155f01b12"
            },
            {
              "fixed": "b51f5a310bd6888b90bb9546a8081215dcfe6fbe"
            },
            {
              "fixed": "632f7acfe6dac1278a9314eaaab14fada400ddaf"
            },
            {
              "fixed": "41bee71112db53651ba9a9030de1b843255a4a7f"
            },
            {
              "fixed": "4a4e3fa77ea36d3419d806fb5883ef425a605a5d"
            },
            {
              "fixed": "ae97fff6495a8764bc0ef281cfe5444f701e527f"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.9.0"
            },
            {
              "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-2026-98326.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: mesh: release the channel if start fails\n\nieee80211_join_mesh() acquires a channel context and then calls\nieee80211_start_mesh(), which can fail. In that case, the chanctx\nisn't released then interface removal will attempt to unassign it\nafter it's removed from the driver, hitting:\n\n  wlan0: Failed check-sdata-in-driver check, flags: 0x0\n  WARNING: net/mac80211/driver-ops.c:366 at drv_unassign_vif_chanctx\n   ieee80211_assign_link_chanctx\n   __ieee80211_link_release_channel\n   ieee80211_link_release_channel\n   ieee80211_teardown_sdata\n   unregister_netdevice_many_notify\n   _cfg80211_unregister_wdev\n   ieee80211_remove_interfaces\n   ieee80211_unregister_hw\n   mac80211_hwsim_del_radio\n   hwsim_exit_net\n\nCorrectly release the channel on start failures.",
  "id": "CVE-2026-98326",
  "modified": "2026-10-08T02:31:03.431435764Z",
  "published": "2026-10-06T08:46:19.534Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/41bee71112db53651ba9a9030de1b843255a4a7f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a4e3fa77ea36d3419d806fb5883ef425a605a5d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/632f7acfe6dac1278a9314eaaab14fada400ddaf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ae97fff6495a8764bc0ef281cfe5444f701e527f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b51f5a310bd6888b90bb9546a8081215dcfe6fbe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f0afcec2129c166e61821d6ae097061155f01b12"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98326.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98326"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: mac80211: mesh: release the channel if start fails"
}