What Is the Kernel? The Oracle Solaris kernel is a program that manages system resources. The kernel insulates applications from the system hardware and provides them with essential system services such as input/output (I/O) management, virtual memory, and scheduling. The kernel consists of objec...
During normal system startup, a computer's basic input/output system, orBIOS, completes a hardware bootstrap or initialization. It then runs a bootloader which loads the kernel from a storage device -- such as a hard drive -- into a protected memory space. Once the kernel is loaded into ...
#ifdef SECURE// Secure Note: This is secure because the developer is properly validating if address// pointed by 'Where' and 'What' value resides in User mode by calling ProbeForRead()// routine before performing the write operationProbeForRead((PVOID)Where,sizeof(PULONG_PTR),(ULONG)__alignof...
; *(Where) = *(What);#else DbgPrint("[+] Triggering Arbitrary Write\n"); // // Vulnerability Note: This is a vanilla Arbitrary Memory Overwrite vulnerability // because the developer is writing the value pointed by 'What' to memory location // pointed by 'Where' without properly valida...
Windows Server 2025 comes equipped with dtrace as a native tool. DTrace is a command-line utility that enables users to monitor and troubleshoot their system's performance in real time. With DTrace, you can dynamically instrument both the kernel and user-space code without any need to modify...
Every operating system- whether it is Windows, Mac, Linux, or Android, has a core program called aKernelwhich acts as the ‘boss’ for the whole system. It is the heart of the OS! The Kernel is nothing but a computer program that controls everything else. Anything that happens on the...
Hypervisor-Protected Code Integrity (HVCI) is a VBS feature that protects the isolated system memory environment. It prevents the Windows kernel (i.e., the brain of the OS) from being compromised, so threat actors can’t use kernel code to infiltrate the OS. In 22H2, Microsoft is implement...
New BitLocker features in Windows 10, version 1507 Encrypt and recover your device with Azure Active Directory. In addition to using a Microsoft Account, automaticDevice Encryptioncan now encrypt your devices that are joined to an Azure Active Directory domain. When the device is encrypted, the Bi...
Windows 11 version 24H2 is the next version of Windows that's now available for all Windows 11 users. Here's what's new.
On October 1, 2024, Microsoft has officially released Windows 11 version 24H2, also known as "2024 Update", to everyone. It is the most AI-focused update for the OS to date, as it brings with it several AI feature previously not seen in any of the Windows versions. It is a huge ma...