There is a new pull request by Hoshpak against master on the void-packages repository

https://github.com/Hoshpak/void-packages linux4.9.181
https://github.com/void-linux/void-packages/pull/12428

linux4.9: update to 4.9.181.
[skip ci]

A patch file from https://github.com/void-linux/void-packages/pull/12428.patch is attached