What’s Vulnerable › Vulnerabilities

CVE-2020-9383

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-25 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 19.10
• Debian Linux: 8.0, 9.0
• Linux kernel: from 3.16 through 5.5.6
• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• NetApp Cloud Backup: all versions
• NetApp Data Availability Services: all versions
• NetApp H410C Firmware: all versions
• NetApp Hci Management Node: all versions
• NetApp Solidfire: all versions
• NetApp Solidfire Baseboard Management Controller Firmware: all versions
• NetApp Steelstore Cloud Integrated Storage: all versions
• openSUSE Leap: 15.1

References

• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html
• https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=2f9ac30a54dc0181ddac3705cdcf4775d863c530
• https://github.com/torvalds/linux/commit/2e90ca68b0d2f5548804f22f0dd61145516171e3
• https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
• https://security.netapp.com/advisory/ntap-20200313-0003/
• https://usn.ubuntu.com/4342-1/
• https://usn.ubuntu.com/4344-1/
• https://usn.ubuntu.com/4345-1/
• https://usn.ubuntu.com/4346-1/
• https://www.debian.org/security/2020/dsa-4698

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