[CVE-2011-3347] [Oneiric] [PATCH 0/3] be2net packet handling allows possible DOS

Stefan Bader stefan.bader at canonical.com
Wed Feb 15 09:22:02 UTC 2012


On 15.02.2012 10:12, Andy Whitcroft wrote:
> On Tue, Feb 14, 2012 at 01:20:05PM -0800, Brad Figg wrote:
>> CVE-2011-3347
>> 	Non-member VLAN (virtual LAN) packet handling for interfaces in
>> 	promiscuous mode and also using the be2net driver could allow an attacker
>> 	on the local network to cause a denial of service.
>>
>> Following this cover-letter are three patches which address this issue. Two
>> of the three are straight cherry-picks from Linus' tree. The third is a very
>> minor backport due to the driver having been moved within the kernel tree.
>>
>> Proposing for Oneiric master.
>>
>> Ajit Khaparde (1):
>>   be2net: move to new vlan model
>>
>> Jiri Pirko (1):
>>   benet: remove bogus "unlikely" on vlan check
>>
>> Sathya Perla (1):
>>   be2net: non-member vlan pkts not received in promiscous mode
>>
>>  drivers/net/benet/be.h      |    1 -
>>  drivers/net/benet/be_cmds.c |    6 ++++--
>>  drivers/net/benet/be_main.c |   41 ++++++++++++++++-------------------------
>>  3 files changed, 20 insertions(+), 28 deletions(-)
> 
> I see there are 4 commits listed in the tracker for this, I assume the
> first is not actually necessary?  Is that correct?
> 
> -apw
> 
And one other thing I like about the way Andy does it and confuses me here is:
why only onerirc? Cause in the tracker there is natty marked as affected too.

-Stefan




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