What’s Vulnerable › Vulnerabilities

CVE-2019-18813

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-07 · updated 2026-06-17
• Weakness: CWE-401

Description

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.

Affected products

• Canonical Ubuntu Linux: 18.04, 19.04, 19.10
• Linux kernel: from 4.19 before 4.19.84; from 4.20 before 5.3.11 — fixed in 4.19.84, 5.3.11

How to fix

Upgrade to a fixed version: Linux kernel 4.19.84, 5.3.11. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9bbfceea12a8f145097a27d7c7267af25893c060
• https://security.netapp.com/advisory/ntap-20191205-0001/
• https://usn.ubuntu.com/4225-1/
• https://usn.ubuntu.com/4225-2/
• https://usn.ubuntu.com/4226-1/
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9bbfceea12a8f145097a27d7c7267af25893c060
• https://security.netapp.com/advisory/ntap-20191205-0001/
• https://usn.ubuntu.com/4225-1/
• https://usn.ubuntu.com/4225-2/
• https://usn.ubuntu.com/4226-1/

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