What is CVE-2019-18813?

CVE-2019-18813 is a high-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2019-11-07.

How severe is CVE-2019-18813?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Linux Kernel

CVE-2019-18813

A memory leak in the dwc3_pci_probe() function in drivers/usb/dwc3/dwc3-pci.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering platform_device_add_properties() failures, aka CID-9bbfceea12a8.

Published 2019-11-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.039 (90.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: +0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 18.04, 19.04, 19.10

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
security.netapp.com/advisory/ntap-20191205-0001/ (Third Party Advisory)
usn.ubuntu.com/4226-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4225-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4225-2/ (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2019-18813?: CVE-2019-18813 is a high-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2019-11-07.
How severe is CVE-2019-18813?: High severity. CVSS v3 base score is 7.5 out of 10.