USN-3511-1: Linux kernel (Azure) vulnerabilities
USN-3511-1: Linux kernel (Azure) vulnerabilities Ubuntu Security Notice USN-3511-1 7th December, 2017 linux-azure vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary Several security issues were fixed in the Linux kernel. Software description linux-azure – Linux kernel for Microsoft Azure Cloud systems Details Mohamed Ghannam discovered that a use-after-free vulnerability existed inthe Netlink subsystem (XFRM) in the Linux kernel. A local attacker coulduse this to cause a denial of service (system crash) or possibly executearbitrary code. (CVE-2017-16939) It was discovered that the Linux kernel did not properly handle copy-on-write of transparent huge pages. A local attacker could use this to cause adenial of service (application crashes) or possibly gain administrativeprivileges. (CVE-2017-1000405) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: linux-image-azure 4.11.0.1016.16 linux-image-4.11.0-1016-azure [ more… ]