CVE-2020-9383

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: LOW) published 2022-05-24. NVD baseline CVSS 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.1Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
7.1
EG Score
7.1(medium)
EPSS
50.5%
KEV
Not listed

Published

February 25, 2020

Last Modified

November 21, 2024

References (24)

Vendor Advisories for CVE-2020-9383(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(7)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-virtual-lts-xenial (4.4.0.178.186) @ xenial2026-05-27ubuntu
ubuntulinux-image-virtual-hwe-16.04-edge (4.15.0.99.106) @ xenial2026-05-27ubuntu
ubuntulinux-image-oem-osp1 (5.0.0.1050.53) @ bionic2026-05-27ubuntu
ubuntulinux-image-virtual (5.3.0.51.42) @ eoan2026-05-27ubuntu
redhatkernel-0:3.10.0-1160.el72020-09-29redhat
redhatkernel-rt-0:3.10.0-1160.rt56.1131.el72020-09-29redhat
redhatkernel-alt-0:4.14.0-115.21.2.el7a2020-05-12redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-22 14:05 UTCEPSS rescore
  2. 2026-07-21 15:22 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-20 17:04 UTCEPSS rescore
  5. 2026-07-20 17:04 UTCEPSS rescore
  6. 2026-07-19 18:18 UTCOSV refresh
  7. 2026-07-19 14:28 UTCEPSS rescore
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  20. 2026-07-12 05:44 UTCEPSS rescore
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  22. 2026-07-11 08:25 UTCEPSS rescore
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  24. 2026-07-09 19:07 UTCEPSS rescore
  25. 2026-07-08 15:12 UTCEPSS rescore
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  1. 2026-07-07 13:43 UTCEPSS rescore
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  3. 2026-07-06 02:21 UTCEPSS rescore
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  5. 2026-07-05 02:28 UTCEPSS rescore
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  7. 2026-07-04 06:29 UTCEPSS rescore
  8. 2026-07-04 06:29 UTCEPSS rescore
  9. 2026-07-02 16:57 UTCEPSS rescore
  10. 2026-07-02 08:17 UTCOSV refresh
  11. 2026-07-01 15:03 UTCEPSS rescore
  12. 2026-06-30 23:20 UTCEPSS rescore
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  14. 2026-06-28 14:05 UTCEPSS rescore
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  17. 2026-06-27 03:06 UTCEPSS rescore
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  19. 2026-06-25 13:48 UTCEPSS rescore
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  21. 2026-06-24 14:03 UTCEPSS rescore
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  23. 2026-06-23 21:31 UTCEPSS rescore
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  25. 2026-06-22 14:23 UTCEPSS rescore
  26. 2026-06-21 14:54 UTCEPSS rescore
  27. 2026-06-21 14:54 UTCEPSS rescore
  28. 2026-06-21 01:57 UTCEPSS rescore
  29. 2026-06-21 01:57 UTCEPSS rescore
  30. 2026-06-19 19:24 UTCEPSS rescore
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  32. 2026-06-18 17:51 UTCEPSS rescore
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  36. 2026-06-15 17:46 UTCEPSS rescore
  37. 2026-06-14 23:15 UTCEPSS rescore
  38. 2026-06-14 08:13 UTCOSV refresh
  39. 2026-06-13 22:58 UTCEPSS rescore
  40. 2026-06-13 22:58 UTCEPSS rescore
  41. 2026-06-12 23:10 UTCEPSS rescore
  42. 2026-06-12 23:10 UTCEPSS rescore
  43. 2026-06-11 13:58 UTCEPSS rescore
  44. 2026-06-11 13:58 UTCEPSS rescore
  45. 2026-06-10 22:16 UTCEPSS rescore
  46. 2026-06-10 13:20 UTCEPSS rescore
  47. 2026-06-08 14:15 UTCEPSS rescore
  48. 2026-06-07 15:23 UTCEPSS rescore
  49. 2026-06-07 15:23 UTCEPSS rescore
  50. 2026-06-06 13:46 UTCEPSS rescore
  51. 2026-06-06 13:46 UTCEPSS rescore
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  55. 2026-06-05 06:08 UTCEPSS rescore
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  59. 2026-06-02 20:11 UTCEPSS rescore
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  61. 2026-06-01 13:50 UTCEPSS rescore
  62. 2026-05-31 22:29 UTCEPSS rescore
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  66. 2026-05-29 13:42 UTCEPSS rescore
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  68. 2026-05-28 13:43 UTCEPSS rescore
  69. 2026-05-27 13:39 UTCEPSS rescore
  70. 2026-05-27 13:39 UTCEPSS rescore
  71. 2026-05-27 07:17 UTCEG score recompute
  72. 2026-05-27 07:17 UTCVendor advisory
  73. 2026-05-27 07:17 UTCGHSA enrichment
  74. 2026-05-26 13:42 UTCEPSS rescore
  75. 2026-05-26 13:42 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2020-9383?
CVE-2020-9383 is a high vulnerability published on February 25, 2020. An issue was discovered in the Linux kernel 3.16 through 5.5.6. setfdc in drivers/block/floppy.c leads to a waittil_ready out-of-bounds read because the FDC index is not checked for errors before assigning it, aka CID-2e90ca68b0d2.
When was CVE-2020-9383 disclosed?
CVE-2020-9383 was first published in the National Vulnerability Database on February 25, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-9383 actively exploited?
CVE-2020-9383 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 50.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-9383?
CVE-2020-9383 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2020-9383?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-9383, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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