Messages in this thread | | | Date | Wed, 29 Jun 2022 20:31:18 -0700 | From | Jakub Kicinski <> | Subject | Re: [PATCH v2] net: tipc: fix possible infoleak in tipc_mon_rcv() |
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On Tue, 28 Jun 2022 16:31:22 +0800 Hangyu Hua wrote: > dom_bef is use to cache current domain record only if current domain > exists. But when current domain does not exist, dom_bef will still be used > in mon_identify_lost_members. This may lead to an information leak.
AFAICT applied_bef must be zero if peer->domain was 0, so I don't think mon_identify_lost_members() will do anything.
> Fix this by adding a memset before using dom_bef. > > Fixes: 35c55c9877f8 ("tipc: add neighbor monitoring framework") > Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
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