CVE-2026-53036
HighExploitation Probability (EPSS)
Low risk4th percentile - higher than 4% of all known CVEs
Summary
W jądrze Linuxa w JIT dla ARM64 wykryto błąd off-by-one w funkcji check_imm, która sprawdza zakres wartości natychmiastowych dla skoków warunkowych i bezwarunkowych. Błąd powoduje, że dopuszczane są wartości o jeden bit szersze niż przewiduje specyfikacja, co może prowadzić do nieprawidłowego kodowania instrukcji i zmiany kierunku skoku.
Risk Assessment
Ryzyko polega na możliwym nieprawidłowym działaniu kodu BPF, który może wykonywać skoki w przeciwnym kierunku niż zamierzono, co może prowadzić do błędów logicznych, awarii systemu lub potencjalnego naruszenia bezpieczeństwa przez nieprzewidziane ścieżki wykonania.
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