CVE-2021-3493CISA KEV: Actively Exploited

Linux Kernel Privilege Escalation Vulnerability

Published Oct 20, 2022·Updated Oct 20, 2022

Description

The overlayfs stacking file system in Linux kernel does not properly validate the application of file capabilities against user namespaces, which could lead to privilege escalation.

Public Exploits & PoCs11 found

PoC: CVE-2021-3493

Ubuntu OverlayFS Local Privesc

296

PoC: CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc (Interactive Bash Shell & Execute Command Entered)

33

PoC: overlayFS-CVE-2021-3493

2021 kernel vulnerability in Ubuntu.

2

PoC: OverlayFS-LPE-Exploit

Type Local Privilege Escalation exploit for CVE-2021-3493(Ubuntu Kernel vulnerability) documrnted during TryHackme Lab

PoC: CVE-2021-3493

Ubuntu OverlayFS Local Privileges Escalation

PoC: DeepRoot

CVE-2021-3493 OverlayFS privilege escalation exploit framework with advanced red team features. Includes persistence mechanisms, post-exploitation modules, stealth capabilities, and comprehensive documentation. For authorized testing only.

PoC: OverlayFS-CVE-2021-3493

root Privileges

PoC: UbuntuTouchSecurityVAPTReport

A penetration test of Ubuntu Touch 16.04 that identified 7 vulnerabilities, including a critical kernel exploit (CVE-2021-3493) allowing root access. This report provides findings and actionable hardening recommendations.

PoC: OverlayFS-CVE-2021-3493

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

PoC: OverlayFS-CVE-2021-3493

Exploit For OverlayFS

PoC: CVE-2021-3493

CVE-2021-3493 Ubuntu漏洞

References

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