CVE-2020-25625 Denial of service in n/a
An attacker can cause a denial of service in QEMU by triggering an infinite loop in the USB OHCI controller emulation via a crafted TD list.
- 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-2020-25625?
CVE-2020-25625 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 25 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
hw/usb/hcd-ohci.c in QEMU 5.0.0 has an infinite loop when a TD list has a loop.
Weakness: CWE-835
Which versions are affected by CVE-2020-25625?
It affects 2 products.
Products include Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2020-25625?
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-2020-25625 being exploited?
There is no known exploitation of CVE-2020-25625 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-25625, GHSA-pf4f-4m5g-p5w2, UBUNTU-CVE-2020-25625.