Re: 2.2.0 SECURITY

Aaron Lehmann (aaronl@vitelus.com)
Wed, 27 Jan 1999 05:34:57 +0000 ( )


Yikes! Tried it on my Cyrix 6x86MX/233 and the screen just went black,
followed by the BIOS boot screen :(. This needs to be fixed immediately. I
went back to 2.0.36 for the time being.

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On Tue, 26 Jan 1999, Dan Burcaw wrote:

>
> There is a bug that works only on the 2.2.0 kernel that will allow root
> and non-root users to crash the machine (the system reboots).
>
> To replicate this bug do following:
>
> Take any core file, and as normal user or root run: ldd core
>
> The machine will reboot, saying that it cannot get execution permissions
> for ./core
>
> As far as I can tell, this problem only affects x86 machines running
> 2.2.0. I know that PPC is not affected.
>
> Note: This problem does not occur in kernels before 2.2.0, and is
> apparently fixed in 2.2.0ac1.
>
> Thanks to Gennady Gurov (gurov@frii.com) for discovering this problem.
>
>
> Dan
>
> Terra Firma Design & Terra Soft Solutions, Inc.
>
> voice (970) 416-9821 in Fort Collins
> email dburcaw@terraplex.com
> website http://www.terraplex.com/
>
>
>
>
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