Wierd kernel panic message

[UnKnown <rak@burst.fcien.edu.uy>]

hi ppl,
I got this strange message on console today when i came to work,
the machine is running sarge fresh upgrade from woody, the kernel is
2.4.21, but i'm about to upgrade it

The message in the console was this:

 <1>Unable to handle kernel NULL pointer derefernce at virtual address 00000008
 printing eip:
c013fd27
*pde = 00000000
Oops: 0000
CPU:	0
EIP	0010:[c013fd27]	Not tainted
EFLAGS:	00010286
eax:	00000000	ebx:	c6389000	ecx:	c6389000	edx: 00000400
esi:	c13acde0	edi:	00000000	ebp:	00000001	esp: cb285f04
ds:	0018	es:	0018	ss:	0018
Process lsoft (pid: 17727, stackpackage=cb285000)
Stack:	00000400 c13acde0 c13acde4 c0140015 c6389000 c13acde0 00000001 c0248f3f
	00000400 00000400 c6389000 00000400 cb285f40 cb285f44 00000400 c6389000
	00000000 c014fdb2 c6389000 cb285f98 00000000 00000400 00000000 c014c0a
Call Trace: [<c0140015>] [<c014fdb2>] [<c014dc0a>] [<c012fb96>] [<c0106bd3>]

Code: 8b 78 08 8b 44 24 1c 50 8b 44 24 1c 50 68 2c 8e 24 c0 53 e8

I'm afraid this might implay an attemp to brake in, or something
misconfigure. So any help would be wellcame.

Cheers,
	rak