Earlier this month, Canonical released Ubuntu Linux operating system support for all major Linux kernel security update, solve no less than 28 security vulnerabilities. However, one of the patch also introduced a regression, leading Linux kernel on Ubuntu 18.04 LTS and Ubuntu 16.04 LTS 4.15 system crashes when processing fragmented packets.
"USN 4115-1 Fixed Linux 4.15 kernel vulnerabilities for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS in. Unfortunately, as part of the update, and in some cases, the introduction of a return to cause a kernel panic when processing fragmented packets we, "Canonical to bring you apologize for the inconvenience in security bulletin representation.
Canonical urges all Ubuntu18.04LTS use Linux4.15 kernel (Bionic Beaver) and Ubuntu16.04.6LTS (XenialXeros) users update the system as soon as possible to linux-image 4.15.0-62 and linux-image 4.15.0-62.69 ~ 16.04. 1, replacing the previous kernel linux-image 4.15.0-60.67 update.