{"Id":"886af494-4087-48c9-b48f-53e638d6f62e","Tags":["UDDB2B6.sys"],"Verified":"TRUE","Author":"Michael Haag","Created":"2026-04-17","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create UDDB2B6 binPath=C:\\windows\\temp\\UDDB2B6.sys type=kernel && sc.exe start UDDB2B6","Description":"UDDB2B6.sys is a TechPowerUp kernel driver (GPU-Z variant) that exposes I/O port read/write, MSR read/write, MmMapIoSpace map/unmap/read/write, and PCI configuration space read/write. TechPowerUp has a history of vulnerable kernel drivers including GPU-Z.sys (CVE-2019-7245, CVE-2025-5324) and ThrottleStop.sys (CVE-2025-7771). The driver is available in the KeServiceDescriptorTable/vulnerable-drivers repository.","Usecase":"Elevate privileges","Privileges":"kernel","OperatingSystem":"Windows 10"},"Resources":["https://github.com/magicsword-io/LOLDrivers/issues/323","https://github.com/KeServiceDescriptorTable/vulnerable-drivers"],"Detection":[],"Acknowledgement":{"Person":"","Handle":"@rainbowdynamix, @DbgPrint"},"KnownVulnerableSamples":[{"Filename":"UDDB2B6.sys","MD5":"d4320487bf3021f2f2afcfc43d652a69","SHA1":"f94503fea3fa7c526a70187444affd7f0e0e8926","SHA256":"9af0b89c5c54eb66e5a660b61aee7c1a25b1c92e20a310d8b16552abcf90c0b5","Signature":"","Date":"","Publisher":"","Company":"","Description":"Low-Level Driver","Product":"Low-Level Driver","ProductVersion":"5.0.0.0","FileVersion":"5.0.0.0","MachineType":"AMD64","OriginalFilename":"","Authentihash":{"MD5":"7871902bebb585e4618ba59e9c48bf71","SHA1":"f36d42ef53bc86c5345ddc9d2a28093fd713822b","SHA256":"9786d12616feaf1302c308b816d3582969f4510208aedffac92225bbb78efc35"},"RichPEHeaderHash":{"MD5":"b37ad1d85b91c021ea12bff0b0376eee","SHA1":"3d6e11dd7d2b8086a4fac748992854a729c981f6","SHA256":"11c623eec508e3fa87222632ece31a0c0e6b4f8b0d21b22715ec9f265c56a44d"},"Sections":{".text":{"Entropy":6.20794196283954,"Virtual Size":"0x12e9"},".rdata":{"Entropy":4.235911121601372,"Virtual Size":"0xca4"},".data":{"Entropy":2.066104072827117,"Virtual Size":"0x220"},".pdata":{"Entropy":4.135029038437317,"Virtual Size":"0x294"},"PAGE":{"Entropy":6.240571596154161,"Virtual Size":"0x1987"},"INIT":{"Entropy":4.9460502571462355,"Virtual Size":"0x66c"},".rsrc":{"Entropy":3.166293837059211,"Virtual Size":"0x2b0"},".reloc":{"Entropy":3.7563283859124614,"Virtual Size":"0x30"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2024-02-12 02:47:29","InternalName":"","Copyright":"Copyright 2004-2024 (c). All rights reserved.","Imports":["HAL.dll","ntoskrnl.exe"],"ExportedFunctions":"","ImportedFunctions":["HalGetBusDataByOffset","HalSetBusDataByOffset","_vsnwprintf","RtlInitUnicodeString","IoDeleteDevice","RtlCopyUnicodeString","IoDeleteSymbolicLink","IoRegisterShutdownNotification","ExAllocatePoolWithTag","IoUnregisterShutdownNotification","ExFreePoolWithTag","IofCompleteRequest","IoCreateSymbolicLink","wcsrchr","__C_specific_handler","MmBuildMdlForNonPagedPool","IoAllocateMdl","MmMapIoSpace","MmUnmapIoSpace","PsGetCurrentProcessId","IoFreeMdl","MmUnmapLockedPages","MmMapLockedPagesSpecifyCache","MmGetSystemRoutineAddress","RtlFreeUnicodeString","IoCreateDevice","ZwClose","ObOpenObjectByPointer","ZwSetSecurityObject","IoDeviceObjectType","_snwprintf","RtlLengthSecurityDescriptor","SeCaptureSecurityDescriptor","RtlCreateSecurityDescriptor","RtlSetDaclSecurityDescriptor","RtlAbsoluteToSelfRelativeSD","IoIsWdmVersionAvailable","SeExports","wcschr","_wcsnicmp","RtlLengthSid","RtlAddAccessAllowedAce","RtlGetSaclSecurityDescriptor","RtlGetDaclSecurityDescriptor","RtlGetGroupSecurityDescriptor","RtlGetOwnerSecurityDescriptor","ZwOpenKey","ZwCreateKey","ZwQueryValueKey","ZwSetValueKey","KeBugCheckEx"],"Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"Subject":"C=US, ST=Washington, L=Spokane, O=TechPowerUp LLC, serialNumber=604 057 982, CN=TechPowerUp LLC, BUSINESS_CATEGORY=Private Organization, JURISDICTION_OF_INCORPORATION_SP=Washington, JURISDICTION_OF_INCORPORATION_C=US","ValidFrom":"2022-06-24 13:22:08","ValidTo":"2025-04-14 20:06:58","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.11","IsCertificateAuthority":false,"SerialNumber":"115bbe9e1c286827af66e7a01390c206","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"60e408e2390af7c32b78b980eebef3dc","SHA1":"ca42b365c64a60c58de315e23b522b3e69dfcf85","SHA256":"06990ff9bd8df35bf3deff4b89e9448895469ca675a68d726b02cc307d57eadd","SHA384":"25a302eef819bcc3db04b9dcff01ec2c38cb536a73f87a782f79df50178efaa0cb7ec579fe84a446f55f6c05e52ad987"}},{"Subject":"C=US, ST=Texas, L=Houston, O=SSL Corp, CN=SSL.com EV Code Signing Intermediate CA RSA R3","ValidFrom":"2019-03-26 17:44:23","ValidTo":"2034-03-22 17:44:23","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.11","IsCertificateAuthority":true,"SerialNumber":"424b6a53cec766141c2a63b1a51c4104","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"db3494d2a0da480f9a2dc03978395f8a","SHA1":"9cb274c1f98981dbdbe1a7630a9071458784c80d","SHA256":"49b229a10f850de5b85110a0e0f59c48dd12b116c9ad236a3f16c5bdfbc968d5","SHA384":"2012fa0acaa171e7e953cfad3301af5dc2947a64428d9fdc7bcd47afe88ab85fa580e0ed6d0f61e9629d46accc3b48ec"}}],"Signer":[{"SerialNumber":"115bbe9e1c286827af66e7a01390c206","Issuer":"C=US, ST=Texas, L=Houston, O=SSL Corp, CN=SSL.com EV Code Signing Intermediate CA RSA R3","Version":1}]}],"LoadsDespiteHVCI":"FALSE","Imphash":"fbcbcd6272f1203182652eacc64bca75"}]}