ibacm before 1.0.6 does not properly manage reference counts for multicast connections, which allows remote attackers to cause a denial of service (ibacm service crash) via a crafted join response.
comments.gmane.org/gmane.linux.drivers.rdma/11659
git.openfabrics.org/git?p=~shefty/ibacm.git%3Ba=commit%3Bh=c7d28b35d64333c262de3ec972c426423dadccf9
rhn.redhat.com/errata/RHSA-2013-0509.html
www.openwall.com/lists/oss-security/2012/10/11/6
www.openwall.com/lists/oss-security/2012/10/11/9
www.securityfocus.com/bid/55890
bugzilla.redhat.com/show_bug.cgi?id=865492
exchange.xforce.ibmcloud.com/vulnerabilities/79396