cipso: Fix data-races around sysctl.
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.253 by commit ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698, it was introduced in version v2.6.19 by commit 446fda4f26822b2d42ab3396aafcedf38a9ff2b6. For more details please see the references link.