CVE-2026-23420 Linux内核wlcore驱动锁机制漏洞

/* * PoC Concept for CVE-2026-23420 * This demonstrates the locking logic error pattern found in wlcore. * Triggering this in the actual kernel requires specific hardware interactions. */ #include <linux/mutex.h> struct wlcore { struct mutex mutex; // ... other fields }; void vulnerable_function(struct wlcore *wl) { // Missing mutex_lock(&wl->mutex); // Directly accessing protected resources or logic flow // BUG: Attempting to unlock a mutex that was not locked mutex_unlock(&wl->mutex); } // In a real exploit scenario, a local user would trigger // the specific wireless ioctl or operation that calls this path.