CVE-2019-19053 Denial of service in n/a

What is CVE-2019-19053?

CVE-2019-19053 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 18 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 rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering copy_from_iter_full() failures, aka CID-bbe692e349e2.

Weakness: CWE-401

Which versions are affected by CVE-2019-19053?

It affects 15 products.

Products include Broadcom Brocade Fabric Operating System Firmware, Canonical Ubuntu Linux, Linux kernel, Netapp Active Iq Unified Manager, Netapp Aff Baseboard Management Controller, Netapp Cloud Backup and 9 more.

How do I fix CVE-2019-19053?

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-2019-19053 being exploited?

There is no known exploitation of CVE-2019-19053 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-2019-19053, GHSA-ghm8-6m3x-wv66, UBUNTU-CVE-2019-19053.