Ubuntu 18.04 LTS : linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem, (USN-3732-1)
High Nessus Plugin ID 111579
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionJuha-Matti Tilli discovered that the TCP implementation in the Linux kernel performed algorithmically expensive operations in some situations when handling incoming packets. A remote attacker could use this to cause a denial of service.
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 packages.