Ubuntu 12.04 ESM USN-3381-2 Critical: Linux Kernel Security Issues

Several security issues were fixed in the Linux kernel.

Software Description:

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

Details:

USN-3381-1 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 ESM.

Peter Pi discovered that the colormap handling for frame buffer devices in

the Linux kernel contained an integer overflow. A local attacker could use

this to disclose sensitive information (kernel memory). (CVE-2016-8405)

It was discovered that the Linux kernel did not properly restrict

RLIMIT_STACK size. A local attacker could use this in conjunction with

another vulnerability to possibly execute arbitrary code.

(CVE-2017-1000365)

It was discovered that SELinux in the Linux kernel did not properly handle

empty writes to /proc/pid/attr. A local attacker could use this to cause a

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