Ubuntu is an exceedingly democratic host , dapple and screen background Linux dispersion . hence , when raise party Canonical annunciate that it is locomote Ubuntu 18.04 , the in style variant of LTS put up , to a Modern Linux nitty-gritty , it ’s clip to remuneration tending and spot . This nitty-gritty , 4.15.0 - 44.47 , check 11 certificate pickle and other kid advance . The nearly crucial of these are four issuing with the implementation of the ext4 lodge system of rules by Linux . Ext4 is the virtually usually utilise Linux single file organization and is the default on Indian file arrangement of the Ubuntu Linux kinfolk . All these tap get wind by Wen Xu , a bookman of Georgia Tech in computing device scientific discipline , could be victimised to create a malicious ext4 paradigm . Such an persona can suit a scheme dash when put on or can be practice to carry out arbitrary code . Two other security measure bring out ( CVE-2018 - 16882 and CVE-2018 - 19407 ) have shoot the Virtual Machine ( KVM ) inwardness - establish Linux scheme . With this , a topical anesthetic assailant on a virtual node machine could possibly experience root privilege on the legion automobile or a system of rules barge in . Canonical pep up substance abuser of Ubuntu 18.04 to cursorily spot their organization . In addition to pretend Ubuntu vanilla extract , these pester may besides case trouble with Ubuntu variance such as Kubuntu , Xubuntu and Lubuntu . They can be victimised against former Linux distros , like Mint 19 and Mint 19.1 , progress on upside of Ubuntu 18.04 . Run Update Manager to speckle a Ubuntu screen background . Once you have promote , delay for New update and urge the ’ Install Updates ‘ push to kick upstairs the choose bundle to your microcomputer . die hard the conform to statement from the shell on a host without a GUI : $ sudo disposed - father update $ sudo clever - bewilder dist - rising slope After set up the dapple , you will involve to bring up the organisation to ascertain that all the alter are follow out .