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(parent: a8fe915) | patch
ipv4: Check attribute length for RTA_FLOW in multipath route
authorDavid Ahern <dsahern@kernel.org>
Fri, 31 Dec 2021 00:36:32 +0000 (17:36 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 11 Jan 2022 14:25:00 +0000 (15:25 +0100)
commit914420a2a6c5d72b9e9f0396a988810b6716b4b5
tree3962f3d717fc220e236087cc3cab716f045efa08tree
parenta8fe915be6c23b70de7c2172b8a31a730b6bde86commit | diff
ipv4: Check attribute length for RTA_FLOW in multipath route

commit 664b9c4b7392ce723b013201843264bf95481ce5 upstream.

Make sure RTA_FLOW is at least 4B before using.

Fixes: 4e902c57417c ("[IPv4]: FIB configuration using struct fib_config")
Signed-off-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv4/fib_semantics.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)