Riskcovery

CVE-2026-74413

wifi: rtw89: fix wrong pci_get_drvdata type in AER handlers

State
Published
Severity
8.8 High
Published
Aug 15, 2026
Updated
Oct 16, 2026
Reserved
Aug 15, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.18.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 16e3d93c6183649a3b210f82b83c1cb12aa5e8a3 to before aefc30e4a829c1683f6ae999df7f9310c27eae6cAffected
  • 16e3d93c6183649a3b210f82b83c1cb12aa5e8a3 to before c1907b9a4fa9cb33d11a9af138374dd2e93f7a93Affected
  • 16e3d93c6183649a3b210f82b83c1cb12aa5e8a3 to before 7068c379cf9aa8afe4dce4d9d82390187aa9c4d0Affected
LinuxLinux
  • 6.17Affected
  • before 6.17Not affected
  • 6.18.40 through 6.18.*Not affected
  • 7.1.5 through 7.1.*Not affected
  • 7.2 and laterNot affected

References

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