Ubuntu 16.04 LTS : linux-aws vulnerability (USN-3220-3)
High Nessus Plugin ID 97633
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionUSN-3220-1 fixed a vulnerability in the Linux kernel. This update provides the corresponding updates for the Linux kernel for Amazon Web Services (AWS).
Alexander Popov discovered that the N_HDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges.
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected linux-image-4.4-aws and / or linux-image-aws packages.