One of the last things the Linux kernel does during system boot is mount the root filesystem. The Linux kernel dictates no filesystem structure, but user space applications expect to find files with ...

At the end of the second article in this series, which outlines a step-by-step process for embedded Linux development, we had the LBox up and running, ready to use for application development. On some ...

The proliferation of inexpensive IoT boards means the time has come to gain control not only of applications but also the entire software platform. So, how do you build a custom distribution with ...

Back in 1991, a computer science student named Linus Torvalds announced on a newsgroup that he was creating a "hobby OS." That hobby was Linux, and today it's much more than a tinkerer's operating ...

If you’ve ever been curious enough to look through your system’s root directory (“/”), you may have found yourself a little overwhelmed. Most of the three-letter directory names don’t tell you much ...

Topic ===== local root exploit in Linux kernel due to bug in brk() system call Problem Description ===== A flaw in bounds checking in the do_brk() function in the Linux kernel versions 2.4.22 and ...

Embedded systems are fast becoming part of day to day life for comfort, convenience, entertainment, health care and security. With most of the pros like the increased use of smartphones, decreased ...

Topic ===== local root exploit in linux kernel Problem Description ===== he Linux kernel has a security flaw that is known as ptrace/modprobe bug: The local attacker can use ptrace and attach to a ...