* [PATCH] TRIVIAL 2.5.12 WP security warning
@ 2002-05-01 7:23 Rusty Russell
2002-05-01 11:33 ` Dave Jones
0 siblings, 1 reply; 4+ messages in thread
From: Rusty Russell @ 2002-05-01 7:23 UTC (permalink / raw)
To: torvalds; +Cc: linux-kernel, Pavel Machek
Pavel Machek <pavel@ucw.cz>: Warn users about machines with non-working WP bit:
Hi!
This might be good idea, as those machines are not safe for multiuser
systems.
--- trivial-2.5.12/arch/i386/mm/init.c.orig Wed May 1 17:15:10 2002
+++ trivial-2.5.12/arch/i386/mm/init.c Wed May 1 17:15:10 2002
@@ -384,7 +384,7 @@
local_flush_tlb();
if (!boot_cpu_data.wp_works_ok) {
- printk("No.\n");
+ printk("No (that's security hole).\n");
#ifdef CONFIG_X86_WP_WORKS_OK
panic("This kernel doesn't support CPU's with broken WP. Recompile it for a 386!");
#endif
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] TRIVIAL 2.5.12 WP security warning
2002-05-01 7:23 [PATCH] TRIVIAL 2.5.12 WP security warning Rusty Russell
@ 2002-05-01 11:33 ` Dave Jones
2002-05-01 20:21 ` Pavel Machek
0 siblings, 1 reply; 4+ messages in thread
From: Dave Jones @ 2002-05-01 11:33 UTC (permalink / raw)
To: Rusty Russell; +Cc: torvalds, linux-kernel, Pavel Machek
On Wed, May 01, 2002 at 05:23:47PM +1000, Rusty Russell wrote:
> Pavel Machek <pavel@ucw.cz>: Warn users about machines with non-working WP bit:
> Hi!
>
> This might be good idea, as those machines are not safe for multiuser
> systems.
>
> - printk("No.\n");
> + printk("No (that's security hole).\n");
> #ifdef CONFIG_X86_WP_WORKS_OK
Maybe be a little more explicit in the wording ?
"No. This system is insecure in a multiuser environment.\n" perhaps ?
--
| Dave Jones. http://www.codemonkey.org.uk
| SuSE Labs
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] TRIVIAL 2.5.12 WP security warning
2002-05-01 11:33 ` Dave Jones
@ 2002-05-01 20:21 ` Pavel Machek
2002-05-01 20:27 ` arjan
0 siblings, 1 reply; 4+ messages in thread
From: Pavel Machek @ 2002-05-01 20:21 UTC (permalink / raw)
To: Dave Jones, Rusty Russell, torvalds, linux-kernel, Pavel Machek
Hi!
> > Pavel Machek <pavel@ucw.cz>: Warn users about machines with non-working WP bit:
> > Hi!
> >
> > This might be good idea, as those machines are not safe for multiuser
> > systems.
> >
> > - printk("No.\n");
> > + printk("No (that's security hole).\n");
> > #ifdef CONFIG_X86_WP_WORKS_OK
>
> Maybe be a little more explicit in the wording ?
>
> "No. This system is insecure in a multiuser environment.\n" perhaps ?
Looks good.
Pavel
--
Casualities in World Trade Center: ~3k dead inside the building,
cryptography in U.S.A. and free speech in Czech Republic.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2002-05-01 7:23 [PATCH] TRIVIAL 2.5.12 WP security warning Rusty Russell
2002-05-01 11:33 ` Dave Jones
2002-05-01 20:21 ` Pavel Machek
2002-05-01 20:27 ` arjan
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