I can confirm this issue remains with Ubuntu 14.04.3 LTS. Mouse is a Microsoft Wireless Laser Mouse 5000 v1.0
Running xev confirms mouse wheel tilt right and left (buttons 6,7) are being remapped to mouse wheel scroll up and down (buttons 4,5). version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 Bug Report filed: Bug #1508475 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-evdev in Ubuntu. https://bugs.launchpad.net/bugs/926917 Title: Mouse wheel tilt not works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-evdev/+bug/926917/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp