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THREAT OPS › Threat News › [NVD] CVE-2026-80947 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop rtl8xxxu arms rx_urb_wq from the RX completion path: rtl8xxxu_rx_complete() hands the URB to rtl8xxxu_queue_rx_urb(), which queues it on rx_urb_pending_

[NVD] CVE-2026-80947 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop rtl8xxxu arms rx_urb_wq from the RX completion path: rtl8xxxu_rx_complete() hands the URB to rtl8xxxu_queue_rx_urb(), which queues it on rx_urb_pending_

mednvdPublished 2026-09-11

CVE-2026-80947 CVSS: 7.8 HIGH Published: 2026-09-11T20:19:00.303

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

wifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop

rtl8xxxu arms rx_urb_wq from the RX completion path: rtl8xxxu_rx_complete() hands the URB to rtl8xxxu_queue_rx_urb(), which queues it on rx_urb_pending_list and, once the list grows past RTL8XXXU_RX_URB_PEN

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-80947