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CVE-2020-10757

Description

A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.

POC

Reference

- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5bfea2d9b17f1034a68147a8b03b9789af5700f9

- https://usn.ubuntu.com/4426-1/

Github

- https://github.com/ShaikUsaf/linux-4.19.72_CVE-2020-10757

- https://github.com/darksagae/unix-privesc-check

- https://github.com/nomi-sec/PoC-in-GitHub