Tag
linux
Safeguard articles tagged "linux" — guides, analysis, and best practices for software supply chain and application security.
14 articles
Vulnerability Analysis
Polkit pkexec Privilege Escalation: CVE-2021-4034 (PwnKit)
A 12-year-old memory corruption bug in Polkit's pkexec gave any unprivileged local user instant root access on virtually every major Linux distribution. Here's why it matters.
Jan 28, 20225 min read
Incident Analysis
Shellshock, Five Years On: The Lessons That Stuck
Five years after CVE-2014-6271, Shellshock remains the clearest case study in how one interpreter bug becomes thousands of downstream holes.
Sep 24, 20196 min read