An information disclosure vulnerability leading to a potential local escalation of privilege in the procfs service (the /proc filesystem) of BlackBerry QNX Software Development Platform version(s) 6.5.0 SP1 and earlier could allow an attacker to potentially gain unauthorized access to a chosen process address space.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-18385
http://support.blackberry.com/kb/articleDetail?articleNumber=000057178