A significant Linux kernel bug has been patched today by Canonical. Club members running any Ubuntu derived OS (Mint, Elementary, etc.) should manually trigger your OS updater to apply the patch.
If running Android on Tablets/Phones, users may need to check with their OEM as to patch timing. Club members running Chromebooks will receive the updates automatically from Google in the next day or two.
Bug can result in a “Race Condition” . . see below for techie info
Per Wikipedia: Details = = > Race Condition Link