CVE-2022-0669 Denial of service in DPDK
A malicious vhost-user master can exhaust file descriptors in the vhost-user slave process, causing a denial of service.
- 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-2022-0669?
CVE-2022-0669 is a medium-severity denial of service vulnerability in Redhat Openshift Container Platform, published on 29 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in dpdk. This flaw allows a malicious vhost-user master to attach an unexpected number of fds as ancillary data to VHOST_USER_GET_INFLIGHT_FD / VHOST_USER_SET_INFLIGHT_FD messages that are not closed by the vhost-user slave. By sending such messages continuously, the vhost-user master exhausts available fd in the vhost-user slave process, leading to a denial of service.
Weakness: CWE-400
Which versions are affected by CVE-2022-0669?
It affects 3 products.
Products include Dpdk Data Plane Development Kit, Openvswitch Openvswitch, Redhat Openshift Container Platform.
How do I fix CVE-2022-0669?
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-2022-0669 being exploited?
There is no known exploitation of CVE-2022-0669 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openshift Container Platform
Sources
Also known as DEBIAN-CVE-2022-0669, GHSA-4vw6-hh56-rxvj, UBUNTU-CVE-2022-0669, openSUSE-SU-2024:12039-1.