CVE-2025-25216

# CVE-2025-25216 PoC - Intel Graphics Driver Input Validation Issue # This PoC demonstrates the concept of triggering input validation issues # in Intel Graphics Drivers (for educational purposes only) import ctypes import struct import time # Mock structures for Intel Graphics Driver interaction class INTEL_GRAPHICS_CMD(ctypes.Structure): _fields_ = [ ("cmd_type", ctypes.c_uint32), ("cmd_length", ctypes.c_uint32), ("cmd_buffer", ctypes.POINTER(ctypes.c_uint8)) ] def trigger_graphics_driver_vulnerability(): """ Simulate sending malformed commands to Intel Graphics Driver to trigger input validation vulnerability. Note: This is a conceptual PoC. Actual exploitation requires: - Local access to the target system - Valid user credentials (low privilege is sufficient) - Knowledge of specific Intel GPU architecture - Special internal knowledge about driver internals """ print("[*] CVE-2025-25216 - Intel Graphics Driver Input Validation PoC") print("[*] Target: Intel Graphics Drivers / Intel LTS Kernels") print("[*] Attack Vector: Local (AV:L) | Requires Low Privilege (PR:L)") # Step 1: Load vulnerable driver interface print("\n[Step 1] Loading Intel Graphics Driver interface...") driver_handle = 0x12345678 # Simulated driver handle print(f"[+] Driver handle obtained: 0x{driver_handle:08x}") # Step 2: Prepare malformed command with invalid input print("\n[Step 2] Preparing malformed graphics command...") cmd = INTEL_GRAPHICS_CMD() cmd.cmd_type = 0xDEADBEEF # Invalid command type cmd.cmd_length = 0xFFFFFFFF # Malformed length (exceeds valid range) cmd.cmd_buffer = ctypes.cast(ctypes.create_string_buffer(16), ctypes.POINTER(ctypes.c_uint8)) print(f"[!] Command type: 0x{cmd.cmd_type:08x} (invalid)") print(f"[!] Command length: {cmd.cmd_length} (exceeds bounds)") # Step 3: Send command to driver (triggering validation failure) print("\n[Step 3] Sending malformed command to driver...") print("[!] Driver attempts to process invalid input...") print("[!] Input validation check bypassed or insufficient...") # Step 4: Trigger denial of service condition print("\n[Step 4] Triggering DoS condition...") print("[+] Graphics subsystem enters error state") print("[+] Driver crash or system freeze may occur") print("[+] Availability impact: LOW") print("\n[*] PoC execution completed") print("[*] Note: Actual exploitation requires specific target environment") print("[*] Mitigation: Apply Intel firmware/driver updates from INTEL-SA-01356") if __name__ == "__main__": trigger_graphics_driver_vulnerability()

{"cve": {"id": "CVE-2025-25216", "sourceIdentifier": "[email protected]", "published": "2025-11-11T17:15:44.393", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper input validation in some firmware for some Intel(R) Graphics Drivers and Intel LTS kernels within Ring 1: Device Drivers may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (low) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 2.0, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseScore": 3.3, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "references": [{"url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01356.html", "source": "[email protected]"}]}}