Messages in this thread | | | Date | Tue, 07 Jul 2020 15:39:04 -0700 (PDT) | Subject | Re: [PATCH net v2] bridge: mcast: Fix MLD2 Report IPv6 payload length check | From | David Miller <> |
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From: Linus Lüssing <linus.luessing@c0d3.blue> Date: Sun, 5 Jul 2020 21:10:17 +0200
> Commit e57f61858b7c ("net: bridge: mcast: fix stale nsrcs pointer in > igmp3/mld2 report handling") introduced a bug in the IPv6 header payload > length check which would potentially lead to rejecting a valid MLD2 Report: > > The check needs to take into account the 2 bytes for the "Number of > Sources" field in the "Multicast Address Record" before reading it. > And not the size of a pointer to this field. > > Fixes: e57f61858b7c ("net: bridge: mcast: fix stale nsrcs pointer in igmp3/mld2 report handling") > Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> > Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Applied and queued up for -stable, thank you.
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