A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.

Published: 2023-03-22

CVSS: 7.8

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Download CVE-2023-0386 POC (Proof-of-Concept) here:

Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.

https://connollyfinan.ie/poc-523-cve-2019-0604/

https://connollyfinan.ie/poc-249-cve-2014-2120/

https://connollyfinan.ie/poc-156-cve-2022-1364/

https://connollyfinan.ie/poc-58-cve-2019-11510/