Ubuntu Security Notice USN-3220-3

Ubuntu Security Notice 3220-3 – USN-3220-1 fixed a vulnerability in the Linux kernel. This update provides the corresponding updates for the Linux kernel for Amazon Web Services. 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 or possibly gain administrative privileges. Various other issues were also addressed.

Ubuntu Security Notice USN-3221-2

Ubuntu Security Notice 3221-2 – USN-3221-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.10. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS. 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 or possibly gain administrative privileges. Various other issues were also addressed.

Red Hat Security Advisory 2017-0459-01

Red Hat Security Advisory 2017-0459-01 – Mozilla Firefox is an open source web browser. This update upgrades Firefox to version 45.8.0 ESR. Security Fix: Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.