Missing length check of payload in net/sctp/sm_make_chunk.c:_sctp_make_chunk function allows denial of service:An error in the _sctp_make_chunk function when handling SCTP, packet length can be exploited by a malicious local user to cause a kernel crash and a DoS. Mishandling mutex within libsas allowing local Denial of ServiceThe Serial Attached SCSI implementation in the Linux kernel mishandles a mutex within libsas. This allows local users to cause a denial of service by triggering certain error-handling code