APPLIED: [PATCH 0/2][SRU][D] CVE-2019-3874 - SCTP Denial of Service

[Kleber Souza]

On 4/18/19 9:49 AM, Tyler Hicks wrote:
> https://people.canonical.com/~ubuntu-security/cve/?cve=CVE-2019-3874
> 
>  The SCTP socket buffer used by a userspace application is not accounted by
>  the cgroups subsystem. An attacker can use this flaw to cause a denial of
>  service attack. Kernel 3.10.x and 4.18.x branches are believed to be
>  vulnerable.
> 
> Clean cherry picks. Build logs are clean. I've regression tested these changes
> by moving 1 GiB of data using SCTP over the loopback interface.
> 
> Tyler
> 
> Xin Long (2):
>   sctp: implement memory accounting on tx path
>   sctp: implement memory accounting on rx path
> 
>  include/net/sctp/sctp.h |  2 +-
>  net/sctp/sm_statefuns.c |  6 ++++--
>  net/sctp/socket.c       | 10 ++++++++--
>  net/sctp/ulpevent.c     | 19 ++++++++-----------
>  net/sctp/ulpqueue.c     |  3 ++-
>  5 files changed, 23 insertions(+), 17 deletions(-)
> 

Applied to disco/master-next branch.

Thanks,
Kleber