CVE-2019-19072 Denial of service in n/a
Attackers can cause a denial of service via memory consumption in the Linux kernel's trace event filter parsing function.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-19072?
CVE-2019-19072 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
A memory leak in the predicate_parse() function in kernel/trace/trace_events_filter.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption), aka CID-96c5c6e6a5b6.
Weakness: CWE-401
Which versions are affected by CVE-2019-19072?
It affects 4 products.
Products include Canonical Ubuntu Linux, Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux.
How do I fix CVE-2019-19072?
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-2019-19072 being exploited?
There is no known exploitation of CVE-2019-19072 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-19072, GHSA-qq78-m4wp-cjf7, UBUNTU-CVE-2019-19072.