CVE-2019-18810 Denial of service in n/a

What is CVE-2019-18810?

CVE-2019-18810 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 komeda_wb_connector_add() function in drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c in the Linux kernel before 5.3.8 allows attackers to cause a denial of service (memory consumption) by triggering drm_writeback_connector_init() failures, aka CID-a0ecd6fdbf5d.

Weakness: CWE-401

Which versions are affected by CVE-2019-18810?

It affects 2 products.

Products include Canonical Ubuntu Linux, Linux kernel.

How do I fix CVE-2019-18810?

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-2019-18810 being exploited?

There is no known exploitation of CVE-2019-18810 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-2019-18810, GHSA-4q8q-65r3-pqp6, UBUNTU-CVE-2019-18810.