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Ubuntu 14.04 LTS: USN-2620-1 Critical: Linux Kernel Denial Of Service

ubuntu
Calendar Grey May 23, 2015
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
The system could be made to crash under certain conditions.

Summary

The system could be made to crash under certain conditions.

Software Description:

- linux: Linux kernel

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).

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu system crash linux kernel

Update Instructions

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

Ubuntu 14.04 LTS:
  linux-image-3.13.0-53-generic   3.13.0-53.89
  linux-image-3.13.0-53-generic-lpae  3.13.0-53.89
  linux-image-3.13.0-53-lowlatency  3.13.0-53.89
  linux-image-3.13.0-53-powerpc-e500  3.13.0-53.89
  linux-image-3.13.0-53-powerpc-e500mc  3.13.0-53.89
  linux-image-3.13.0-53-powerpc-smp  3.13.0-53.89
  linux-image-3.13.0-53-powerpc64-emb  3.13.0-53.89
  linux-image-3.13.0-53-powerpc64-smp  3.13.0-53.89

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

References

https://ubuntu.com/security/notices/USN-2620-1

CVE-2015-3332

Severity
critical
Lowest
Low
Medium
High
Critical

May 23, 2015

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu system crash linux kernel

Package Information

https://launchpad.net/ubuntu/+source/linux/3.13.0-53.89

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