USN-3188-2: Linux kernel (Trusty HWE) vulnerability

Ubuntu Security Notice USN-3188-2

3rd February, 2017

linux-lts-trusty vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

• Ubuntu 12.04 LTS

Summary

The system could be made to crash if it received specially crafted
network traffic.

Software description

• linux-lts-trusty
  - Linux hardware enablement kernel from Trusty for Precise
  
  

Details

USN-3188-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu
12.04 LTS.

Andrey Konovalov discovered that the SCTP implementation in the Linux
kernel improperly handled validation of incoming data. A remote attacker
could use this to cause a denial of service (system crash).

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 12.04 LTS:

To update your system, please follow these instructions: