In the Linux kernel, the following vulnerability has been resolved: net/smc: fix neighbour and rtable leak in smc_ib_find_route() In smc_ib_find_route(), the neighbour found by neigh_lookup() and rtable resolved by ip_route_output_flow() are not released or put before return. It may cause the refcount leak, so fix it.
https://git.kernel.org/stable/c/da91e447d06dc649fcf46e59122e7bf8f0b2e0db
https://git.kernel.org/stable/c/d5a466ab6e78d6f2e0f64435f1e17246c8e941ff
https://git.kernel.org/stable/c/5df93c029a907b0ff5a4eeadd77ba06ff0a277d2
https://git.kernel.org/stable/c/2ddc0dd7fec86ee53b8928a5cca5fbddd4fc7c06