Canonical Outs Major Ubuntu 18.04 LTS Kernel Security Update for Cloud Users

After publishing kernel security updates for Ubuntu 19.10, Ubuntu 18.04 LTS, and Ubuntu 16.04 LTS systems to mitigate the latest Intel graphics processor vulnerabilities, Canonical released today a kernel security update for Ubuntu 18.04.3 LTS systems powered by Linux kernel 5.0. A total of 15 security vulnerabilities have been patched in the latest Ubuntu 18.04 LTS kernel update, including a race condition in the Virtual Video Test Driver that could allow an attacker with write access to /dev/video0 to gain administrative privileges, and a NULL pointer dereference in the Btrfs file system.