As businesses assessed the damage and began digging out, the picture wasn't as gloomy as they might have feared - WSJ, on the tsunami that killed thousands
The bug, discovered by Richard Hart, does not affect the 2.4 series kernel or the later version. It is caused by an integer underflow problem in the iptables firewall logging rules. This means that a hacker could remotely crash the machine by using a specially designed IP packet.
Ironically, they can only do this if a firewall is enabled in the kernel.
A spokesSuSE said a workaround was to disable firewall logging of IP and TCP options. It is better practice to upgrade your kernel to the latest version. µ
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