When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
http://www.openwall.com/lists/oss-security/2022/07/19/2
https://www.debian.org/security/2022/dsa-5191
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html