An issue was discovered in the Linux kernel 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. CREATE(Triage):(User=admin) [CVE-2020-9383|https://nvd.nist.gov/vuln/detail/CVE-2020-9383]
