CVE-2026-53196
MediumExploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
W sterowniku USB serial io_ti jądra Linux wykryto podatność na przepełnienie sterty w funkcji get_manuf_info(). Funkcja odczytuje z urządzenia USB dane o rozmiarze określonym przez pole Size, które nie jest odpowiednio walidowane przed alokacją bufora docelowego. Złośliwe urządzenie USB może ustawić rozmiar na wartość do 16377 bajtów, powodując przepełnienie sterty o maksymalnie 16367 bajtów.
Risk Assessment
Atakujący może wykorzystać podatność, podłączając złośliwe urządzenie USB do hosta z podatnym sterownikiem, co może prowadzić do przejęcia kontroli nad systemem lub wycieku danych. Ryzyko jest szczególnie wysokie w środowiskach, gdzie użytkownicy mogą podłączać nieznane urządzenia USB.
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