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USN-3313-1: Linux kernel vulnerability Ubuntu Security Notice USN-3313-1 6th June, 2017 linux, linux-raspi2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.10 Summary The system could be made to run programs as an administrator. Software description linux – Linux kernel linux-raspi2 – Linux kernel for Raspberry Pi 2 Details It was discovered that a buffer overflow existed in the trace subsystem inthe Linux kernel. A privileged local attacker could use this to executearbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.10: linux-image-4.8.0-54-generic 4.8.0-54.57 linux-image-powerpc-e500mc 4.8.0.54.66 linux-image-4.8.0-54-powerpc-smp 4.8.0-54.57 linux-image-4.8.0-54-powerpc-e500mc 4.8.0-54.57 linux-image-powerpc-smp 4.8.0.54.66 linux-image-generic 4.8.0.54.66 linux-image-4.8.0-54-generic-lpae 4.8.0-54.57 linux-image-lowlatency 4.8.0.54.66 linux-image-powerpc64-emb 4.8.0.54.66 linux-image-4.8.0-1038-raspi2 4.8.0-1038.41 linux-image-generic-lpae 4.8.0.54.66 linux-image-4.8.0-54-powerpc64-emb 4.8.0-54.57 linux-image-4.8.0-54-lowlatency 4.8.0-54.57 linux-image-raspi2 4.8.0.1038.42 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you [ more… ]

USN-3312-1: Linux kernel vulnerabilities Ubuntu Security Notice USN-3312-1 6th June, 2017 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon 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 – Linux kernel linux-aws – Linux kernel for Amazon Web Services (AWS) systems linux-gke – Linux kernel for Google Container Engine (GKE) systems linux-raspi2 – Linux kernel for Raspberry Pi 2 linux-snapdragon – Linux kernel for Snapdragon Processors Details It was discovered that the netfilter netlink implementation in the Linuxkernel did not properly validate batch messages. A local attacker with theCAP_NET_ADMIN capability could use this to expose sensitive information orcause a denial of service. (CVE-2016-7917) Qian Zhang discovered a heap-based buffer overflow in the tipc_msg_build()function in the Linux kernel. A local attacker could use to cause [ more… ]