CVEs-PoC/2021/CVE-2021-3732.md

CVE-2021-3732

Description

A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.

POC

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631
• https://ubuntu.com/security/CVE-2021-3732

Github

No PoCs found on GitHub currently.