tty: Fix out-of-bound vmalloc access in imageblit
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.209 by commit 8a6a240f52e14356386030d8958ae8b1761d2325. For more details please see the references link.