1. Ubuntu Security Notices
  2. USN-2619-1

USN-2619-1: Linux kernel (Trusty HWE) vulnerability

Publication date

23 May 2015

Overview

The system could be made to crash under certain conditions.

Releases

Packages

Details

A flaw was discovered in the Linux kernel’s IPv4 networking when using TCP
fast open to initiate a connection. An unprivileged local user could
exploit this flaw to cause a denial of service (system crash).

A flaw was discovered in the Linux kernel’s IPv4 networking when using TCP
fast open to initiate a connection. An unprivileged local user could
exploit this flaw to cause a denial of service (system crash).

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
12.04 precise linux-image-3.13.0-53-generic-lpae –  3.13.0-53.89~precise1
linux-image-3.13.0-53-generic –  3.13.0-53.89~precise1

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References

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