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. Upstream patch: https://github.com/torvalds/linux/commit/c4baad50297d84bde1a7ad45e50c73adae4a2192
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1445344]
Fedora 24 and 25 currently have the 4.10.12 kernel in updates-testing