Re: Local DoS in kernel 2.6.26
On Tue, Oct 27, 2009 at 08:27, surreal <firewalrus@gmail.com> wrote:
> I just caught hold of a C source code from 2005. This code is a local DoS
> which fills up the entire memory on Linux 2.6.N kernels.
After about 15 minutes:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
16799 will 20 0 4804 1504 388 R 60 0.0 14:07.94 mseak
> I saw that RAM wasent running out, but the CPU usage was 100%. I didnt wait
> for computer to hang, but I think this code is dangerous and can be used for
> malicious intentions.
I don't think so. Using 100% CPU when the application demands it
isn't a bug, it's a feature.
This is also the wrong list; it's for users and developers of the
Debian Live scripts. Please re-post on the proper list.
Will
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