RE: [PATCH net] ipv6: sctp: clone options to avoid use after free

From: David Laight
Date: Wed Dec 09 2015 - 10:51:31 EST


> SCTP is lacking proper np->opt cloning at accept() time.
>
> TCP and DCCP use ipv6_dup_options() helper, do the same in SCTP.
>
> We might later factorize this code in a common helper to avoid
> future mistakes.

I'm wondering what the real impact of this and the other recent
SCTP bugs/patches is on real workloads?
We have enough trouble getting our customers to use kernels
later that the 2.6.18 based RHEL5 - without having to persuade
them to use kernels that contain very recent fixes.

David