A memory leak in the fastrpc_dma_buf_attach() function in drivers/misc/fastrpc.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering dma_get_sgtable() failures, aka CID-fc739a058d99.
https://usn.ubuntu.com/4208-1/
https://security.netapp.com/advisory/ntap-20191205-0001/
https://github.com/torvalds/linux/commit/fc739a058d99c9297ef6bfd923b809d85855b9a9
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9