CVE-2020-28916 Denial of service in n/a
An attacker can cause a denial of service in QEMU by sending a crafted RX descriptor with a NULL buffer address, leading to an infinite loop.
- 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-2020-28916?
CVE-2020-28916 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 4 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
hw/net/e1000e_core.c in QEMU 5.0.0 has an infinite loop via an RX descriptor with a NULL buffer address.
Weakness: CWE-835
Which versions are affected by CVE-2020-28916?
It affects 2 products.
Products include Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2020-28916?
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-2020-28916 being exploited?
There is no known exploitation of CVE-2020-28916 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-28916, GHSA-49q3-9xm4-cpj5, UBUNTU-CVE-2020-28916.