CVE-2026-41667 Samsung ONE整数溢出漏洞

#include <stdio.h> #include <stdlib.h> #include <stdint.h> // Simulating the vulnerable constant tensor size calculation void calculate_tensor_size(size_t dim1, size_t dim2) { printf("Calculating size for dims: %zu x %zu\n", dim1, dim2); // Vulnerability: Integer overflow occurs here if dims are too large // This mimics the logic in Samsung Open Source ONE prior to 1.30.0 size_t total_size = dim1 * dim2; printf("Calculated total size: %zu\n", total_size); // Buffer allocation based on incorrect size char *buffer = (char *)malloc(total_size); if (buffer == NULL) { printf("Memory allocation failed.\n"); return; } // Simulate writing data to the buffer // If overflow occurred, this write will exceed the allocated buffer printf("Writing data to buffer...\n"); for(size_t i = 0; i < dim1 * dim2; i++) { buffer[i] = 'A'; // Potential buffer overflow } free(buffer); } int main() { // Trigger condition: Large values causing integer overflow // Example values that would cause wrap-around in 64-bit multiplication size_t large_dim = 0x100000000; printf("--- PoC for CVE-2026-41667 ---\n"); calculate_tensor_size(large_dim, large_dim); return 0; }