CVE-2025-71100
HighCVSS 7.6Exploitation Probability (EPSS)
Low risk7th percentile - higher than 7% of all known CVEs
Summary
W jądrze Linuxa naprawiono podatność związaną z obsługą TID w sterowniku rtl8192cu. Problem polegał na tym, że TID uzyskiwane z funkcji ieee80211_get_tid() mogło wykraczać poza rozmiar tablicy sta_entry->tids[].
Risk Assessment
W przypadku wystąpienia tej podatności, możliwe było wystąpienie błędów związanych z dostępem do pamięci, co mogło prowadzić do nieprzewidzianego zachowania systemu. To stwarza ryzyko destabilizacji działania urządzeń korzystających z tego sterownika.
Recommendation
Zaleca się aktualizację jądra Linuxa do najnowszej wersji, aby usunąć tę podatność i zapewnić stabilność oraz bezpieczeństwo systemu.
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Original NVD description (English source)
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]'

