Bug Description: How to boot back into the last working kernel if you are unable to boot. There is the same kernel trace shown in many different pre-installed Ubuntu images of different platform. The bug has been identified as CVE-2017-5754, CVE-2018-5715 and CVE-2010-2012-2013-2014-2014: CVE-2011-2013: None of these issues are known to reproduce this issue. So far only Dell Inspiron 7560, Dell Vostro 5468 and Dell Inspirro 7560 have been reported to reproduce issue.”]
Source: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1741934/+index