CVE-2026-43182 Linux内核CCS驱动除零漏洞

/* * PoC Concept for CVE-2026-43182 * Demonstrating the missing check for division by zero in CCS driver. * This is a simulation of the vulnerable logic. */ #include <stdio.h> // Simulating the vulnerable register value #define MIN_X_OUTPUT_SIZE_REG 0 void vulnerable_scaler_calculation(unsigned int reg_value) { printf("Calculating scaler configuration...\n"); // Vulnerability: No check if reg_value is 0 before division // This line causes the crash in the kernel context unsigned int max_m = 1000000 / reg_value; printf("Max M calculated: %u\n", max_m); } int main() { printf("Triggering PoC for CVE-2026-43182...\n"); // Simulating the scenario where the register value is 0 if (MIN_X_OUTPUT_SIZE_REG == 0) { printf("Error condition: Register value is zero.\n"); } vulnerable_scaler_calculation(MIN_X_OUTPUT_SIZE_REG); return 0; }