to function correctly [13, 25]. Because it must interact directly with system hardware components and potentially the Windows Registry to extract unique identifiers, it cannot run under a standard user token [13, 26]. Elevated Execution : You must right-click the executable and select "Run as Administrator" Conflict with UAC
If you are scripting or using a tool that relies on getuidx64 , you must ensure the parent process is elevated.
In Unix-like operating systems, the getuid system call returns the real user ID of the calling process. The getuidx64 system call is a 64-bit extension of this system call, designed to handle 64-bit user IDs. Typically, system calls related to user ID retrieval do not require elevated privileges, as they only provide information about the calling process. getuidx64 require administrator privileges exclusive
The term getuidx64 is not documented in standard POSIX or Linux manuals. The standard system call is getuid() (or geteuid() ), which retrieves the real user ID of the calling process. The original Linux getuid() system call only supported . After Linux 2.4, 32-bit user IDs were supported via getuid32() and geteuid32() system calls. The GNU C library (glibc) wrapper functions getuid() and geteuid() transparently handle the variations across kernel versions.
Remediation / Mitigations
In the program’s main function, call the privilege check as the very first step.
The getuidx64 system call is a 64-bit variant of the getuid system call, which retrieves the real user ID of the calling process. However, it has been observed that getuidx64 requires administrator privileges exclusively. This review aims to provide an in-depth analysis of this requirement. to function correctly [13, 25]
To help pinpoint why you are encountering this constraint, let me know:
Choose "Run as administrator" from the context menu. In Unix-like operating systems, the getuid system call