LKML: Greg KH: [PATCH 0/4] make call_usermodehelper a bit more "safe"

Hi all, Here's a second cut at my attempt to make call_usermodehelper a bit more "safe". It includes some patches from my previous series, and one new one. In all, this is a much smaller patchset, with better functionality in the end. The issue is that if you end up getting write access to kernel memory, if you change the string '/sbin/hotplug' to point to '/home/hacked/my_binary', then the next u

[fcicq]

kernel 4.11+, STATIC_USERMODEHELPER can be set to "". for the helper program, the name is argv[0]. use findmnt -n -o TARGET --target FILE or filehash or check owner?