CVE-2025-71100: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc() TID getting from ieee80211_get_tid() might be out of range of array size of sta_entry->tids[], so check TID is less than MAX_TID_COUNT. Othwerwise, UBSAN warn: UBSAN: array-index-out-of-bounds in drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:514:30 index 10 is out of range for type 'rtl_tid_data [9]'

Affected products

• Linux Linux Kernel: from 6.9.1, before 6.12.64 (fixed in 6.12.64); from 6.13, before 6.18.4 (fixed in 6.18.4); version 6.9 only; version 6.19 only

Published 2026-01-13. Last modified 2026-07-30.