Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect handling of a copy-on-write (COW) feature to write to a read-only memory mapping, as exploited in the wild in October 2016, aka "Dirty COW."

Published: 2016-11-10

CVSS: 7.2

CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Download CVE-2016-5195 POC (Proof-of-Concept) here:

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

https://connollyfinan.ie/poc-221-cve-2025-24071/

https://connollyfinan.ie/poc-483-cve-2020-11899/