CVE-2026-53173
HighExploitation Probability (EPSS)
Low risk3th percentile - higher than 3% of all known CVEs
Summary
W jądrze Linux w sterowniku accel/ethosu wykryto podatność na zapis poza zakresem (OOB write) w funkcji ethosu_gem_cmdstream_copy_and_validate(). Pętla przetwarzająca strumień komend nie sprawdza ponownie granic bufora po inkrementacji indeksu dla 64-bitowych komend, co pozwala użytkownikowi na wywołanie zapisu poza przydzieloną pamięcią DMA.
Risk Assessment
Atakujący z dostępem do przestrzeni użytkownika może wykorzystać tę podatność do zapisu poza stertą, co może prowadzić do eskalacji uprawnień, naruszenia integralności systemu lub wykonania dowolnego kodu w kontekście jądra.
Recommendation
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