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Ubuntu 12.04 LTS USN-3264-2 Critical: linux-lts-trusty Denial Of Service

ubuntu
Calendar Grey April 25, 2017
Dist Ubuntu Esm H88
Patch for Ubuntu 12.04 LTS resolving a critical system hang flaw in the linux-lts-trusty kernel.
The system could be made to crash under certain conditions.

Summary

The system could be made to crash under certain conditions.

Software Description:

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

Details:

USN-3264-1 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.

Alexander Popov discovered that a race condition existed in the Stream

Control Transmission Protocol (SCTP) implementation in the Linux kernel. A

local attacker could use this to cause a denial of service (system crash).

Topics%20covered

Topics Covered

security advisory denial of service kernel update critical Ubuntu system crash linux-lts-trusty

Update Instructions

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

Ubuntu 12.04 LTS:
  linux-image-3.13.0-117-generic  3.13.0-117.164~precise1
  linux-image-3.13.0-117-generic-lpae  3.13.0-117.164~precise1
  linux-image-generic-lpae-lts-trusty  3.13.0.117.108
  linux-image-generic-lts-trusty  3.13.0.117.108

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References

https://ubuntu.com/security/notices/USN-3264-2

https://ubuntu.com/security/notices/USN-3264-1

CVE-2017-5986

Severity
critical
Lowest
Low
Medium
High
Critical

April 24, 2017

Topics%20covered

Topics Covered

security advisory denial of service kernel update critical Ubuntu system crash linux-lts-trusty

Package Information

https://launchpad.net/ubuntu/+source/linux-lts-trusty/3.13.0-117.164~precise1

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