{"cve":"CVE-2018-20169","nvd":{"published":"2018-12-17T07:29:00.653","modified":"2026-06-17T01:52:23.250","status":"Modified","description":"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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":6.8},"cwes":["CWE-400"],"references":["http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620afc70cf47abb9d6a1a57f3825d2bca49cf","https://access.redhat.com/errata/RHSA-2019:3309","https://access.redhat.com/errata/RHSA-2019:3517","https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9","https://github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cf"],"products":["canonical:ubuntu_linux","debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-20169","score":0.00581,"percentile":0.47751,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}