IBM is vulnerable to privilege escalation attacks. An attacker could exploit a flaw in the IBM J9 VM class verifier which allows untrusted code to disable the security manager and elevate its privileges.
www.ibm.com/support/docview.wss?uid=swg22007305&myns=swgtiv&mynp=OCSSJQQ3&mync=E&cm_sp=swgtiv-_-OCSSJQQ3-_-E
access.redhat.com/errata/RHSA-2017:2469
access.redhat.com/errata/RHSA-2017:2481
access.redhat.com/security/cve/CVE-2017-1376
access.redhat.com/security/updates/classification/#critical
developer.ibm.com/javasdk/support/security-vulnerabilities/
exchange.xforce.ibmcloud.com/vulnerabilities/126873