Re: [PATCH] econet: 4 byte infoleak to the network

From: David Miller
Date: Fri Mar 18 2011 - 18:15:04 EST

From: Phil Blundell <philb@xxxxxxx>
Date: Thu, 17 Mar 2011 11:50:01 +0000

> On Thu, 2011-03-17 at 14:40 +0300, Vasiliy Kulikov wrote:
>> struct aunhdr has 4 padding bytes between 'pad' and 'handle' fields on
>> x86_64. These bytes are not initialized in the variable 'ah' before
>> sending 'ah' to the network. This leads to 4 bytes kernel stack
>> infoleak.
>> This bug was introduced before the git epoch.
>> Signed-off-by: Vasiliy Kulikov <segoon@xxxxxxxxxxxx>
> Well spotted. Thanks for the patch.
> Acked-by: Phil Blundell <philb@xxxxxxx>

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