CVE-2019-20810 Denial of service in n/a
A memory leak in the Linux kernel's go7007 sound driver allows attackers to cause a denial of service via resource exhaustion.
- 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-2019-20810?
CVE-2019-20810 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 2 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
go7007_snd_init in drivers/media/usb/go7007/snd-go7007.c in the Linux kernel before 5.6 does not call snd_card_free for a failure path, which causes a memory leak, aka CID-9453264ef586.
Weakness: CWE-401
Which versions are affected by CVE-2019-20810?
It affects 3 products.
Products include Canonical Ubuntu Linux, Linux kernel, Opensuse Leap.
How do I fix CVE-2019-20810?
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-2019-20810 being exploited?
There is no known exploitation of CVE-2019-20810 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-20810, GHSA-33g5-gx8w-x4p5, UBUNTU-CVE-2019-20810.