{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d5c65159f2895379e11ca13f62feabe93278985d"
            },
            {
              "fixed": "302b622d5f3c9ef5efa36e41e69d278599265cfc"
            },
            {
              "fixed": "5f814ca9a68fd12a51fe82c36a4a876f5b8329f1"
            },
            {
              "fixed": "a78f2d082f72e3c140c4542cade7f7f56f3cc62d"
            },
            {
              "fixed": "60142eb2afda34508e640a3ff2a54c90e51525cc"
            },
            {
              "fixed": "c3ac51701e925e8d50479ae2fddca51a09f636e8"
            },
            {
              "fixed": "9a9467f7cc633b31e4c34a2c56aa095e0c3fa853"
            },
            {
              "fixed": "c27779d3679c695674747744390f97a5424a0dc8"
            },
            {
              "fixed": "7e0ad05ebc72fffba2bdf2400400902d94ed7272"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.6.0"
            },
            {
              "fixed": "5.10.273"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.224"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.191"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.160"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.113"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.56"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98936.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: reset ar-\u003enum_stations on hardware start\n\nWhen (multiple) hw restart occurs, we end up in a situation where we\ncannot accept new stations / mesh peers. This seems to be the\n'num_stations' in 'struct ath11k' that did not get reset properly in\nthis case. In ath11k_mac_op_start(), it was indeed the only accounting var\nthat did not get reset so let's clear it too.\n\nThis avoids problems like those:\n\n\t[1248828.088023] WARNING: CPU: 0 PID: 12281 at net/mac80211/util.c:1682 ieee80211_reconfig_stations+0x98/0xc0\n\t[1248828.088115] Call trace:\n\t[1248828.088116]  ieee80211_reconfig_stations+0x98/0xc0 (P)\n\t[1248828.088119]  ieee80211_reconfig+0x774/0x1438\n\t[1248828.088123]  ieee80211_restart_work+0x10c/0x178\n\t[1248828.088127]  process_one_work+0x178/0x3c0\n\t[1248828.088130]  worker_thread+0x280/0x440\n\t[1248828.088133]  kthread+0xe0/0xf8\n\t[1248828.088137]  ret_from_fork+0x10/0x20\n\t[1248828.088141] ---[ end trace 0000000000000000 ]---\n\t[1248836.686604] ath11k_pci 0000:04:00.0: refusing to associate station: too many connected already (128)\n\t[1248836.686609] ath11k_pci 0000:04:00.0: Failed to add station: xx:xx:xx:xx:xx:xx for VDEV: 1\n\nTested-on: QCN9074 hw1.0 PCI WLAN.HK.2.9.0.1-01977-QCAHKSWPL_SILICONZ-1",
  "id": "CVE-2026-98936",
  "modified": "2026-11-01T02:30:43.952367760Z",
  "published": "2026-10-23T12:11:48.632Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/302b622d5f3c9ef5efa36e41e69d278599265cfc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f814ca9a68fd12a51fe82c36a4a876f5b8329f1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/60142eb2afda34508e640a3ff2a54c90e51525cc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e0ad05ebc72fffba2bdf2400400902d94ed7272"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9a9467f7cc633b31e4c34a2c56aa095e0c3fa853"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a78f2d082f72e3c140c4542cade7f7f56f3cc62d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c27779d3679c695674747744390f97a5424a0dc8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3ac51701e925e8d50479ae2fddca51a09f636e8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98936.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98936"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.2",
  "summary": "wifi: ath11k: reset ar-\u003enum_stations on hardware start"
}