It is amazing how fast open source Linux displaced open systems Unix from the HPC datacenters of the world. This change, which started in the early 2000s, was not just about having a fully open source ...

Severe vulnerabilities have been discovered in popular Linux and Unix systems that can be used to blow apart barriers to root powers, researchers have discovered. According to security firm Qualys, ...

Patches are available for a newly discovered Linux, BSD and Solaris vulnerability called Stack Clash that bypasses stack guard-page mitigations and enables root access. Linux, BSD, Solaris and other ...

Attackers can locally exploit the privilege escalation vulnerability to gain root access over Linux, Solaris and BSD machines. This is bad news for Unix-based servers, and even more so for ...

An information disclosure vulnerability in the Linux kernel can be exploited to leak data and act as a springboard for further compromise. Disclosed by Cisco Talos researchers on Tuesday, the bug is ...

Exploit code will soon become available for a critical vulnerability in the Linux kernel that a security researcher discovered and reported to Linux administrators in mid-June. The bug, which the ...

The Linux kernel stack is a tempting target for attack. This is because the kernel needs to keep track of where it is. If a function gets called, which then calls another, which then calls another, ...

Thomas Herbert's book The Linux TCP/IP Stack: Networking for Embedded Systems is a thorough guided tour of the Linux kernel TCP/IP implementation. Herbert builds his description of Linux networking, ...