CVE-2019-19063 Denial of service in n/a

What is CVE-2019-19063?

CVE-2019-19063 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 18 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Two memory leaks in the rtl_usb_probe() function in drivers/net/wireless/realtek/rtlwifi/usb.c in the Linux kernel through 5.3.11 allow attackers to cause a denial of service (memory consumption), aka CID-3f9361695113.

Weakness: CWE-401

Which versions are affected by CVE-2019-19063?

It affects 18 products.

Products include Broadcom Brocade Fabric Operating System Firmware, Canonical Ubuntu Linux, Fedoraproject Fedora, Linux kernel, Netapp Active Iq Unified Manager, Netapp Aff Baseboard Management Controller and 12 more.

How do I fix CVE-2019-19063?

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-2019-19063 being exploited?

There is no known exploitation of CVE-2019-19063 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2023-27534 Path traversal in https://github.com/curl/curl High 8.8
• CVE-2021-4197 Privilege escalation in kernel High 7.8
• CVE-2023-27538 Auth bypass in https://github.com/curl/curl High 7.7
• CVE-2021-27218 Integer overflow in n/a High 7.5
• CVE-2021-27219 Integer overflow in n/a High 7.5

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-19063, GHSA-r9m9-7j24-222x, UBUNTU-CVE-2019-19063.