From: Michal Kubecek <mkube...@suse.cz> Date: Fri, 8 Jul 2016 17:52:33 +0200 (CEST)
> If socket filter truncates an udp packet below the length of UDP header > in udpv6_queue_rcv_skb() or udp_queue_rcv_skb(), it will trigger a > BUG_ON in skb_pull_rcsum(). This BUG_ON (and therefore a system crash if > kernel is configured that way) can be easily enforced by an unprivileged > user which was reported as CVE-2016-6162. For a reproducer, see > http://seclists.org/oss-sec/2016/q3/8 > > Fixes: e6afc8ace6dd ("udp: remove headers from UDP packets before queueing") > Reported-by: Marco Grassi <marco....@gmail.com> > Signed-off-by: Michal Kubecek <mkube...@suse.cz> Applied and queued up for -stable, thanks.
