CVE-2022-23471 — Uncontrolled Resource Consumption in Containerd
Severity
6.5MEDIUMNVD
CNA5.7
EPSS
0.2%
top 52.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 7
Latest updateAug 21
Description
containerd is an open source container runtime. A bug was found in containerd's CRI implementation where a user can exhaust memory on the host. In the CRI stream server, a goroutine is launched to handle terminal resize events if a TTY is requested. If the user's process fails to launch due to, for example, a faulty command, the goroutine will be stuck waiting to send without a receiver, resulting in a memory leak. Kubernetes and crictl can both be configured to use containerd's CRI implementati…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6