CVE-2020-9383

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-9383

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-9383.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202003-6

OS impact

OSVersionStatusFixed in
arch archfixed5.5.7.arch1-1
suse slesaffected
debian debianbookwormfixed5.5.13-1
debian debianbullseyefixed5.5.13-1
debian debianforkyfixed5.5.13-1
debian debiansidfixed5.5.13-1
debian debiantrixiefixed5.5.13-1

References

Verify integrity in audit chain (admin only). AS-IS.