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Date: Thu, 27 Aug 2009 14:06:16 +0800
From: Eugene Teo <>
CC: "Steven M. Christey" <>
Subject: Re: CVE request: kernel: AF_LLC getsockname 5-Byte
 Stack Disclosure

Eugene Teo wrote:
> Eugene Teo wrote:
>> sllc_arphrd member of sockaddr_llc might not be changed. Zero sllc 
>> before copying to the above layer's structure.
>> Note that LLC sockets are restricted to root since v2.6.25-rc9 (see 
>> commit 3480c63b).
>> Upstream commit:
>> Reproducer:
>> Reference:
> There are some more fixes that addressed similar infoleaks:
> e84b90ae5eb3c112d1f208964df1d8156a538289
>     can: Fix raw_getname() leak
> 09384dfc76e526c3993c09c42e016372dc9dd22c
>     irda: Fix irda_getname() leak
> 3d392475c873c10c10d6d96b94d092a34ebd4791
>     appletalk: fix atalk_getname() leak
> f6b97b29513950bfbf621a83d85b6f86b39ec8db
>     netrom: Fix nr_getname() leak
> 80922bbb12a105f858a8f0abb879cb4302d0ecaa
>     econet: Fix econet_getname() leak
> 17ac2e9c58b69a1e25460a568eae1b0dc0188c25
>     rose: Fix rose_getname() leak
> It would make sense to address these with the same CVE name as this one.

I summarised it here. Hope it is useful to some:

Thanks, Eugene

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