Comment 1 for bug 1636528

GitHub
https://github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails

Ubuntu

4.8.0-26.28 for Ubuntu 16.10
4.4.0-45.66 for Ubuntu 16.04 LTS
3.13.0-100.147 for Ubuntu 14.04 LTS
3.2.0-113.155 for Ubuntu 12.04 LTS
Debian

3.16.36-1+deb8u2 for Debian 8
3.2.82-1 for Debian 7
4.7.8-1 for Debian unstable
Arch

4.4.26-1 for ArchLinux (linux-lts package)
4.8.3 for ArchLinux (linux package)
RHEL/Centos

Instructions for patching RHEL/Centos 6.x can be found here

Gentoo

Bug: https://bugs.gentoo.org/show_bug.cgi?id=597624

sys-kernel/gentoo-sources-4.1.35
sys-kernel/gentoo-sources-4.8.x - TBD
sys-kernel/gentoo-sources-3.x.x - TBD
Others

If you must stay in kernel 3.19 family, version 3.19.0-73.81 is a patched version and available for Ubuntu 14.04 from official repos. (update via dist-upgrade)