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CVE-2020-28097

Description

The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.

POC

Reference

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10

- https://seclists.org/oss-sec/2020/q3/176

Github

- https://github.com/sam8k/Dynamic-and-Static-Analysis-of-SOUPs