Linux

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The Exploit: Penetration Testing Insights From The Frontlines

Linux

How To, Exploits, In The News, Networks, Patching, Security Recommendations

Defense in Depth Against Linux Kernel Privilege Escalation: A Practical Guide for Container Workloads
By Ryan Chaplin With current local privilege escalation exploits like Copy Fail and Dirty Frag active in the wild, harden your defenses to halt attacks even before patching. May 26, 2026
In The News, Exploits, Networks, Patching, Security Recommendations

Copy Fail – Local Linux Privilege Escalation in 4 lines
By Jason Taylor CVE-2026-31431, dubbed Copy Fail, allows privilege escalation to root on Linux distros missing the latest kernel patches. Learn what to do in this blog. May 8, 2026
Patching, Security Recommendations

Sudo Privilege Escalation Vulnerability Discovered
By Raxis Research Team Qualys has discovered and reported a serious vulnerability (CVE-2021-3156) affecting the sudo utility. Patches are now available and Raxis recommends applying them immediately. January 27, 2021