CVE-2026-74413
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.
How to fix
- Linux Linuxaefc30e4a829c1683f6ae999df7f9310c27eae6c, c1907b9a4fa9cb33d11a9af138374dd2e93f7a93, 7068c379cf9aa8afe4dce4d9d82390187aa9c4d0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 16e3d93c6183649a3b210f82b83c1cb12aa5e8a3 ≤ v < aefc30e4a829c1683f6ae999df7f9310c27eae6c, 16e3d93c6183649a3b210f82b83c1cb12aa5e8a3 ≤ v < c1907b9a4fa9cb33d11a9af138374dd2e93f7a93, 16e3d93c6183649a3b210f82b83c1cb12aa5e8a3 ≤ v < 7068c379cf9aa8afe4dce4d9d82390187aa9c4d0, 6.17 | aefc30e4a829c1683f6ae999df7f9310c27eae6c, c1907b9a4fa9cb33d11a9af138374dd2e93f7a93, 7068c379cf9aa8afe4dce4d9d82390187aa9c4d0 |
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