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CVE-2020-9383

Description

An issue was discovered in the Linux kernel 3.16 through 5.5.6. set_fdc in drivers/block/floppy.c leads to a wait_til_ready out-of-bounds read because the FDC index is not checked for errors before assigning it, aka CID-2e90ca68b0d2.

POC

Reference

- https://usn.ubuntu.com/4342-1/

- https://usn.ubuntu.com/4345-1/

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/Live-Hack-CVE/CVE-2020-9383