USN-3083-1: Linux kernel vulnerabilities Ubuntu Security Notice USN-3083-1 19th September, 2016 linux vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Several security issues were fixed in the kernel. Software description linux – Linux kernel Details Dmitry Vyukov discovered that the IPv6 implementation in the Linux kerneldid not properly handle options data, including a use-after-free. A localattacker could use this to cause a denial of service (system crash) orpossibly execute arbitrary code. (CVE-2016-3841) It was discovered that a race condition existed when handling heartbeat-timeout events in the SCTP implementation of the Linux kernel. A remoteattacker could use this to cause a denial of service. (CVE-2015-8767) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: linux-image-3.13.0-96-powerpc-smp 3.13.0-96.143 linux-image-3.13.0-96-powerpc-e500mc 3.13.0-96.143 linux-image-3.13.0-96-powerpc64-smp 3.13.0-96.143 linux-image-3.13.0-96-generic 3.13.0-96.143 linux-image-3.13.0-96-generic-lpae [ more… ]