CVE-2019-18811 Denial of service in n/a
Attackers can cause a denial of service via memory consumption in the Linux kernel's Sound Open Firmware IPC handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-18811?
CVE-2019-18811 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 7 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 sof_set_get_large_ctrl_data() function in sound/soc/sof/ipc.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering sof_get_ctrl_copy_params() failures, aka CID-45c1380358b1.
Weakness: CWE-401
Which versions are affected by CVE-2019-18811?
It affects 3 products.
Products include Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux.
How do I fix CVE-2019-18811?
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-2019-18811 being exploited?
There is no known exploitation of CVE-2019-18811 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2019-18811, GHSA-grcg-hjg8-mrhw, UBUNTU-CVE-2019-18811.