[lkml]   [2003]   [Aug]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] Allow /dev/{,k}mem to be disabled to prevent kernel from being modified easily
On Sun Aug 03, 2003 at 08:09:50PM +0200, bert hubert wrote:
> Greetings,
> After being gloriously rootkitted with a program coded by HTB author Martin
> Devera (lots of thanks, devik, your work is appreciated, I suggest you read
> up about Oppenheimer when disclaiming that you are 'just a coder'. The item
> to google on is: "ethics sweetness hydrogen bomb Oppenheimer"), I wrote
> a patch to disable /dev/kmem and /dev/mem, which is harmless on servers
> without X.
> It blocks attempts by rootkits, such as devik's SucKIT, to hide themselves.

Until the rootkit, already running as root, loads stuff as a
kernel module... Perhaps you should make this enforce that
people have CONFIG_MODULES=n,


Erik B. Andersen
--This message was written using 73% post-consumer electrons--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:47    [W:0.069 / U:1.824 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site