A high-severity vulnerability in sudo has been patched in a number of Linux distributions; the flaw allows local attackers to elevate privileges to root.

Security researcher Dino Dai Zovi talks about a new company he cofounded called Capsule8 that will help IT organizations counter threats to Linux infrastructures.

A Linux admin and open source developer has come up with a 48-character attack that crashes Linux servers, but experts argue the security implications of the bug.

Glibc, the GNU C library at the core of last year’s GHOST vulnerability, is vulnerable to another critical flaw affecting nearly all Linux machines, as well as API web services and major web frameworks where the code runs. The vulnerability, discovered independently by researchers at Google and Red Hat, has been patched. The flaw, CVE-2015-7547,...

A patch for a critical Linux kernel flaw, present in the code since 2012, is expected to be pushed out today. The vulnerability affects versions 3.8 and higher, said researchers at startup Perception Point who discovered the vulnerability. The flaw also extends to two-thirds of Android devices, the company added. “It’s pretty bad because a...