ghsa-5vxv-jx6g-44wr
Vulnerability from github
Published
2025-09-07 18:31
Modified
2025-09-07 18:31
Details

In the Linux kernel, the following vulnerability has been resolved:

wifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask()

ath11k_mac_disable_peer_fixed_rate() is passed as the iterator to ieee80211_iterate_stations_atomic(). Note in this case the iterator is required to be atomic, however ath11k_mac_disable_peer_fixed_rate() does not follow it as it might sleep. Consequently below warning is seen:

BUG: sleeping function called from invalid context at wmi.c:304 Call Trace: dump_stack_lvl __might_resched.cold ath11k_wmi_cmd_send ath11k_wmi_set_peer_param ath11k_mac_disable_peer_fixed_rate ieee80211_iterate_stations_atomic ath11k_mac_op_set_bitrate_mask.cold

Change to ieee80211_iterate_stations_mtx() to fix this issue.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39732"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-07T16:15:48Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask()\n\nath11k_mac_disable_peer_fixed_rate() is passed as the iterator to\nieee80211_iterate_stations_atomic(). Note in this case the iterator is\nrequired to be atomic, however ath11k_mac_disable_peer_fixed_rate() does\nnot follow it as it might sleep. Consequently below warning is seen:\n\nBUG: sleeping function called from invalid context at wmi.c:304\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl\n __might_resched.cold\n ath11k_wmi_cmd_send\n ath11k_wmi_set_peer_param\n ath11k_mac_disable_peer_fixed_rate\n ieee80211_iterate_stations_atomic\n ath11k_mac_op_set_bitrate_mask.cold\n\nChange to ieee80211_iterate_stations_mtx() to fix this issue.\n\nTested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30",
  "id": "GHSA-5vxv-jx6g-44wr",
  "modified": "2025-09-07T18:31:27Z",
  "published": "2025-09-07T18:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39732"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/65c12b104cb942d588a1a093acc4537fb3d3b129"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6bdef22d540258ca06f079f7b6ae100669a19b47"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d4d0db0dc9424de2bdc0b45e919e4892603356f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9c0e3144924c7db701575a73af341d33184afeaf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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