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authorSteffen Klassert <steffen.klassert@secunet.com>2018-08-01 13:45:11 +0200
committerSteffen Klassert <steffen.klassert@secunet.com>2018-08-03 10:23:07 +0200
commit07bf7908950a8b14e81aa1807e3c667eab39287a (patch)
tree0e831f17dc08a28f1a7c17931f268004d4738cb4 /Documentation/isapnp.txt
parent25432eba9cd8f2ef5afef55be811b010a004b5fa (diff)
downloadlinux-07bf7908950a8b14e81aa1807e3c667eab39287a.tar.bz2
xfrm: Validate address prefix lengths in the xfrm selector.
We don't validate the address prefix lengths in the xfrm selector we got from userspace. This can lead to undefined behaviour in the address matching functions if the prefix is too big for the given address family. Fix this by checking the prefixes and refuse SA/policy insertation when a prefix is invalid. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: Air Icy <icytxw@gmail.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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