CVE-2018-20169

MEDIUMNVD 6.86.8—
EchelonGraph scoreMEDIUM confidence

Score 6.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.8Exploit: NoneExposed: 0

A fix is available — apply it.

An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.

CVSS v3
6.8
EG Score
6.8(medium)
EPSS
44.4%
KEV
Not listed

Published

December 17, 2018

Last Modified

November 21, 2024

References (24)

Vendor Advisories for CVE-2018-20169(3)

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

Patch Availability(12)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-virtual-lts-xenial (4.4.0.142.122) @ trusty2026-05-28ubuntu
ubuntulinux-image-aws-hwe (4.15.0.1047.47) @ xenial2026-05-28ubuntu
ubuntulinux-image-virtual-lts-xenial (4.4.0.142.148) @ xenial2026-05-28ubuntu
ubuntulinux-image-virtual-hwe-16.04 (4.15.0.58.79) @ xenial2026-05-28ubuntu
redhatkernel-0:3.10.0-957.56.1.el72020-07-07redhat
redhatkernel-rt-1:3.10.0-693.69.1.rt56.667.el6rt2020-07-01redhat
redhatkernel-0:3.10.0-693.69.1.el72020-06-30redhat
redhatkernel-0:3.10.0-1062.26.1.el72020-06-11redhat
redhatkernel-0:3.10.0-1127.el72020-03-31redhat
redhatkernel-rt-0:3.10.0-1127.rt56.1093.el72020-03-31redhat
redhatkernel-rt-0:4.18.0-147.rt24.93.el82019-11-05redhat
redhatkernel-0:4.18.0-147.el82019-11-05redhat

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

(10)

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 11× 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 22:15 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-21 01:17 UTCOSV refresh
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  39. 2026-06-15 08:43 UTCOSV refresh
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  69. 2026-05-28 00:16 UTCEG score recompute
  70. 2026-05-28 00:16 UTCVendor advisory
  71. 2026-05-28 00:16 UTCGHSA enrichment
  72. 2026-05-27 13:38 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2018-20169?
CVE-2018-20169 is a medium vulnerability published on December 17, 2018. An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to usbgetextra_descriptor in drivers/usb/core/usb.c.
When was CVE-2018-20169 disclosed?
CVE-2018-20169 was first published in the National Vulnerability Database on December 17, 2018, 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-2018-20169 actively exploited?
CVE-2018-20169 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-20169?
CVE-2018-20169 has a CVSS v3 base score of 6.8 (NVD).
How do I remediate CVE-2018-20169?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20169, 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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