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wifi: rtw89: fix wrong pci_get_drvdata type in AER handlers

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix wrong pci_get_drvdata type in AER handlers rtw89 stores an ieee80211_hw pointer via pci_set_drvdata() at probe time, but io_error_detected() and io_resume() retrieve it as a net_device pointer. This causes netif_device_detach/attach to operate on an ieee80211_hw struct, reading and writing at wrong offsets. The adjacent io_slot_reset() already does it correctly. Use ieee80211_stop_queues/wake_queues instead, consistent with every other queue stop/start path in the driver. Tested on RTL8852CE by calling the handlers from a test module before and after the fix.

Products
Kernel
Affected versions
Not specified
Fixed versions
6.18.40, 7.1.5
CVEs
CVE-2026-74413
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 21:16 UTC · Revision 1

Source evidence

wifi: rtw89: fix wrong pci_get_drvdata type in AER handlers

core-osv · Original source

Published 15 Aug 2026, 05:59 UTC

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix wrong pci_get_drvdata type in AER handlers rtw89 stores an ieee80211_hw pointer via pci_set_drvdata() at probe time, but io_error_detected() and io_resume() retrieve it as a net_device pointer. This causes netif_device_detach/attach to operate on an ieee80211_hw struct, reading and writing at wrong offsets. The adjacent io_slot_reset() already does it correctly. Use ieee80211_stop_queues/wake_queues instead, consistent with every other queue stop/start path in the driver. Tested on RTL8852CE by calling the handlers from a test module before and after the fix.

osv:CVE-2026-74413

Kernel

Fixed versions: 6.18.40, 7.1.5

Complete source record
{
  "id": "43a4295f7554721068ce259262ccd476b4a9f10a2daea23466a118953011c570",
  "url": "https://osv.dev/vulnerability/CVE-2026-74413",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "wifi: rtw89: fix wrong pci_get_drvdata type in AER handlers",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix wrong pci_get_drvdata type in AER handlers rtw89 stores an ieee80211_hw pointer via pci_set_drvdata() at probe time, but io_error_detected() and io_resume() retrieve it as a net_device pointer. This causes netif_device_detach/attach to operate on an ieee80211_hw struct, reading and writing at wrong offsets. The adjacent io_slot_reset() already does it correctly. Use ieee80211_stop_queues/wake_queues instead, consistent with every other queue stop/start path in the driver. Tested on RTL8852CE by calling the handlers from a test module before and after the fix.",
    "evidence": "osv:CVE-2026-74413",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.40",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.1.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
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    "severity": "high",
    "structured": {
      "id": "CVE-2026-74413",
      "aliases": [
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      "metrics": [
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          "type": "CVSS_V3",
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        }
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      "affected": [
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        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.17.0"
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                {
                  "fixed": "6.18.40"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
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                  "fixed": "7.1.5"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
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          }
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      ],
      "modified": "2026-10-28T02:30:23.463230929Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/7068c379cf9aa8afe4dce4d9d82390187aa9c4d0",
        "https://git.kernel.org/stable/c/aefc30e4a829c1683f6ae999df7f9310c27eae6c",
        "https://git.kernel.org/stable/c/c1907b9a4fa9cb33d11a9af138374dd2e93f7a93",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74413.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-74413",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74413.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-74413",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490141,
  "published_at": "2026-08-15T05:59:20.021+00:00"
}