A Linux vulnerability called Stack Clash could be exploited to corrupt system memory and launch malicious code. The flaw is in memory management of several operating systems and affects Linux, OpenBSD, NetBSD, FreeBSD and Solaris. To exploit the flaw, one must first target the primary vulnerability, as outlined in CVE-2017-1000364. But the researchers discovered more vulnerabilities some secondary, other directly related that could be used in similar fashion. The researchers developed seven exploits and proofs of concept, then worked with the affected vendors on a fix.”]
Source: https://nakedsecurity.sophos.com/2017/06/20/stack-clash-linux-vulnerability-you-need-to-patch-now/