[ovs-git] [openvswitch/ovs] 487a8a: flow: Fix buffer overread for crafted IPv6 packets...
noreply at github.com
Tue Jul 10 04:44:10 UTC 2018
Author: Ben Pfaff <blp at ovn.org>
Date: 2018-07-09 (Mon, 09 Jul 2018)
flow: Fix buffer overread for crafted IPv6 packets.
The ipv6_sanity_check() function implemented a check for IPv6 payload
length wrong: ip6_plen is the payload length but this function checked
whether it was longer than the total length of IPv6 header plus payload.
This meant that a packet with a crafted ip6_plen could result in a buffer
overread of up to the length of an IPv6 header (40 bytes).
The kernel datapath flow extraction code does not obviously have a similar
Signed-off-by: Ben Pfaff <blp at ovn.org>
Acked-by: Darrell Ball <dlu998 at gmail.com>
**NOTE:** This service been marked for deprecation: https://developer.github.com/changes/2018-04-25-github-services-deprecation/
Functionality will be removed from GitHub.com on January 31st, 2019.
More information about the git