https://solc0nf.github.io/tags/dirtycow/index.html Recent content in dirtycow on solc0nf Hugo -- gohugo.io en-us Mon, 06 Mar 2023 08:19:38 +0400 https://solc0nf.github.io/exploit-articles/the-dirtycow-exploit/index.html Mon, 06 Mar 2023 08:19:38 +0400 https://solc0nf.github.io/exploit-articles/the-dirtycow-exploit/index.html DirtyCOW (CVE-2016-5195) The DirtyCOW is a vulnerability in the Linux kernel which allowed processes, write access to read only memory mappings. This vulnerability was discovered by Phil Oester. The vulnerability is called DirtyCOW because the issue is caused by a race condition 1 in the way the kernel handles copy-on-write (COW) COW is an optimization strategy used by operating systems. When multiple processes ask for resources, the system can give them pointers to the same resource.