CVE-2021-3156: Baron Samedit (sudo Heap Overflow)
What is Baron Samedit?
A heap-based buffer overflow in sudo that allows any unprivileged user to gain root privileges on default Linux installations. The vulnerability has been present in sudo since July 2011 — a 10-year-old bug in one of Linux's most critical utilities.
Impact & Exploitation
Affects nearly every Linux distribution. Enables local privilege escalation to root without password. Present for 10 years in sudo — installed on virtually every Unix-like system.
Precogs Research
This vulnerability intelligence report was analyzed and enriched by the Precogs AI Security Team. Our researchers continuously monitor emerging threats across AI code, LLM pipelines, and binary architectures to ensure accurate real-time remediation guidance.