The VFS subsystem in the Linux kernel 3.x provides an incomplete set of requirements for setattr operations that underspecifies removing extended privilege attributes, which allows local users to cause a denial of service (capability stripping) via a failed invocation of a system call, as demonstrated by using chown to remove a capability from the ping or Wireshark dumpcap program.
http://marc.info/?l=linux-kernel&m=142153722930533&w=2
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=770492