Re: [PATCH] exec: do not leave bprm->interp on stack

[P J P]

  Hello folks,

+-- On Mon, 12 Nov 2012, Kees Cook wrote --+
| >   Al, what's your take on the *rare* extra call to request_module?
| 
| Without any other feedback, I'd like to use my minimal allocation
| patch, since it fixes the problem and doesn't change any of the
| semantics of how/when loading happens.

  I did apply and test this patch with kernel-3.5.3 on my machine. Now it 
seems to disclose dynamically allocated(kstrdup) bytes, instead of the call 
stack bytes. Recursions still dodge and exceed the limit of 
BINPRM_MAX_RECURSION(4).

Please pardon my asking, but - how is this a fix?
--
Prasad J Pandit / Red Hat Security Response Team
DB7A 84C5 D3F9 7CD1 B5EB  C939 D048 7860 3655 602B
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/