The manager_invoke_notify_message function in systemd 231 and earlier allows
local users to cause a denial of service (assertion failure and PID 1 hang)
via a zero-length message received over a notify socket.
The patch is a backport from the latest git repo.
Please see the link below for more information.
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-7795
Signed-off-by: Chen Qi <Qi.Chen@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
