The cumulative Virtuozzo ReadyKernel patch updated with a security fix. The patch applies to Virtuozzo versions 7.0.0, 7.0.1, and 7.0.3. 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.