Canonical released a new Linux kernel security update for Ubuntu 16.04 LTS (Xenial Xerus) to address several vulnerabilities discovered by various security researchers in the upstream kernel.
The new Linux kernel security update is available for all users of the Ubuntu 16.04 LTS (Xenial Xerus) operating system series and its derivatives, affecting all those using the original Linux 4.4 kernel. If you upgraded your Ubuntu 16.04 LTS installations to the Linux 4.15 kernel from Ubuntu 18.04 LTS (Bionic Beaver), you aren’t affected.
The security patch addresses a total of four flaws, including a use-after-free vulnerability (CVE-2018-14734) discovered by Noam Rathaus in the Infiniband implementation, letting attackers to crash the system via a denial of service, as well as an integer overflow (CVE-2018-16658) in th… (read more)
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