IonStack_S21

IonStackS21 — CVE-2026-43499 exploit port for Galaxy S21 SM-G991B Device-specific IonStack payload for the Samsung Galaxy S21 o1s on firmware G991BXXSJHZC2. Gives volatile root via LDPRELOAD exploit + callusermodehelper root-helper daemon same shape as IonStack-S22U / IONSTACK-S22. Status: resear...