Kernel security update: new kernel 2.6.32-042stab120.20, Virtuozzo 6.0 Update 12 Hotfix 6 (6.0.12-3673)

This update provides the new Virtuozzo 6.0 kernel 2.6.32-042stab120.20 based on the Red Hat Enterprise Linux 6.8 kernel 2.6.32-642.6.1.el6. The new kernel provides a security fix.
Vulnerability id: CVE-2017-2647
A flaw was discovered in the Linux kernel’s key subsystem. Invoking the request_key() system call with a specially crafted set of arguments could result in a NULL-pointer dereference inside the search_keyring() function. A local unprivileged user could use this vulnerability to crash the system. The vulnerability could be exploited from inside containers.