CVE-2019-18813 — A memory leak in the dwc3_pci_probe() function in drivers/usb/dwc3/dwc3-pci

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-11-07T15:28:59.000Z
• Last modified: 2024-08-05T02:02:39.805Z

09References

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