OverlayFS - CVE-2021-3493

Exploit a 2021 Kernel vulnerability in Ubuntu to become root almost instantly!

OverlayFS - CVE-2021-3493

$ tldr TryHackMe · Walkthrough · Info

·	·
Platform	TryHackMe
Type	Walkthrough
Difficulty	INFO
Access	🟢 Free
Average time	30 min
Users	14.148
Official room	Open

Description

Exploit a 2021 Kernel vulnerability in Ubuntu to become root almost instantly!

Solve the room

Language	Author	Format	Link
🇬🇧 EN	TryHackMe	Lab oficial	Open

Resources by skill

Skill	Source	Link
Remote Code Execution (RCE)	HackTricks	Open

Related skills

Remote Code Execution (RCE)

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Last updated: 2026-05-09