CVE-2019-18813 Denial of service in n/a

What is CVE-2019-18813?

CVE-2019-18813 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 7 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-401

Which versions are affected by CVE-2019-18813?

It affects 2 products.

Products include Canonical Ubuntu Linux, Linux kernel.

How do I fix CVE-2019-18813?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-18813 being exploited?

There is no known exploitation of CVE-2019-18813 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-18813, GHSA-xjmq-x923-hrwq, UBUNTU-CVE-2019-18813.