For years, there's been a known security vulnerability hiding in the GNU C Library (glibc). This library, which is critical for Linux and many other operating systems and programs, had a dynamic ...

Android, Debian and Ubuntu users are still at risk. A high-severity cache invalidation bug in the Linux kernel has been uncovered, which could allow an attacker to gain root privileges on the targeted ...

In particular, memory areas used as input and/or output are isolated from the rest of the kernel and surrounded by guard pages. Without arch hooks, this common base provides weak isolation. On ...

Security researchers have disclosed three vulnerabilities that affect a system service part of 'systemd,' a core component in Linux that manages system processes after the boot process. The bugs exist ...

The following excerpt is from chapter 3, User-Level Memory Management, of Arnold Robbins’ book Linux Programming by Example: The Fundamentals, Prentice Hall PTR; (April 12, 2004), used with permission ...

The Internet Security Research Group (ISRG)—parent organization of the better-known Let's Encrypt project—has provided prominent developer Miguel Ojeda with a one-year contract to work on Rust in ...

I've been using a minimal install of FreeBSD as a file server lately, and while I'm happy with it, I decided to try out Debian as well (just to learn more about Linux). <BR><BR>What surprised me is ...

Linux is set for a big release this Sunday August 29, setting the stage for enterprise and cloud applications for months to come. The 5.14 kernel update will include security and performance ...

Let’s look at some basic commands that report on memory usage. The first that probably comes to mind is free. The free command will tell you about used and unused memory and about swap space. Physical ...