drivers/char/virtio_console.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.
https://github.com/torvalds/linux/commit/c4baad50297d84bde1a7ad45e50c73adae4a2192
http://www.securityfocus.com/bid/97997
http://www.openwall.com/lists/oss-security/2017/04/16/4
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.12