# Dirty Cow vulnerability

**URL:** <https://community.openenergymonitor.org/t/dirty-cow-vulnerability/2010>\
**Category:** Emoncms\
**Created:** [27 October 2016 14:26 UTC](https://community.openenergymonitor.org/t/dirty-cow-vulnerability/2010 "2016-10-27T14:26:20Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![Paul\_Cardelli](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/paul_cardelli/32/1501_2.png) [@Paul\_Cardelli](https://community.openenergymonitor.org/u/Paul_Cardelli)\
**Post date:** [29 October 2016 06:01 UTC](https://community.openenergymonitor.org/t/dirty-cow-vulnerability/2010/11 "2016-10-29T06:01:00Z")

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anything special I need to do when updating the kernal with the root on an external USB Hard drive?

Just saying cause I ended up with a rainbow screen. I’ll check a few things out. Maybe the new kernel.img file was corrupt.

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