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CVE-2022-23471

containerd CRI stream server: Host memory exhaustion through terminal resize goroutine leak

Published: Dec 7, 2022Updated: Nov 21, 2024 Sources: CVE List NVD GHSA BDU csafCWE-400
NVD MITRE
5.7CVSSMEDIUM
EPSS Score
1.0%
Top 41.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 implementation and the stream server is used for handling container IO. This bug has been fixed in containerd 1.6.12 and 1.5.16. Users should update to these versions to resolve the issue. Users unable to upgrade should ensure that only trusted images and commands are used and that only trusted users have permissions to execute commands in running containers.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400CWE-401

Affected Products

containerdlinuxfoundation
Mixed
AI / ML / ml-framework
github.com/containerd/containerdGoOSS Libraries
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
linuxfoundationoss-projectUSAI / MLaka yocto, pytorch, everest
gopackage-ecosystemOSS Libraries
canonical ltd.commercialGBOperating Systemsaka canonical
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «ред софт»commercialRUOperating Systemsaka red soft
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/containerd/containerd/commit/a05d175400b1145e5e6a735a6710579d181e7fb0
github.com
https://github.com/containerd/containerd/security/advisories/GHSA-2qjp-425j-52j9
github.com
https://security.gentoo.org/glsa/202401-31
security.gentoo.org
and 23 more references View all →

Timeline

Published
Dec 7, 2022
Last Updated
Nov 21, 2024

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