netfilter: bridge: check len before accessing more nh data

In the while loop of br_nf_check_hbh_len(), similar to ip6_parse_tlv(),
before accessing 'nh[off + 1]', it should add a check 'len < 2'; and
before parsing IPV6_TLV_JUMBO, it should add a check 'optlen > len',
in case of overflows.

Signed-off-by: Xin Long <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Acked-by: Nikolay Aleksandrov <[email protected]>
Reviewed-by: Aaron Conole <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>

0 files changed, 0 insertions, 0 deletions