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CVE-2022-31030— containerd CRI plugin: Host memory exhaustion through ExecSync

Quick assessment

Affected
containerd containerd
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache containerd是美国阿帕奇（Apache）基金会的一个容器守护进程。该进程根据 RunC OCI 规范负责控制宿主机上容器的完整周期。 Apache containerd 存在资源管理错误漏洞，该漏洞源于未正确控制 ExecSync API 中内部资源的消耗。

CVSS 5.5 · Medium EPSS 0.39% · P33

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2022-31030

Vulnerability Information
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Vulnerability Title
containerd CRI plugin: Host memory exhaustion through ExecSync
Source: CVE Program / CVE List V5
Vulnerability Description
containerd is an open source container runtime. A bug was found in the containerd's CRI implementation where programs inside a container can cause the containerd daemon to consume memory without bound during invocation of the `ExecSync` API. This can cause containerd to consume all available memory on the computer, denying service to other legitimate workloads. Kubernetes and crictl can both be configured to use containerd's CRI implementation; `ExecSync` may be used when running probes or when executing processes via an "exec" facility. This bug has been fixed in containerd 1.6.6 and 1.5.13. Users should update to these versions to resolve the issue. Users unable to upgrade should ensure that only trusted images and commands are used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache containerd 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache containerd是美国阿帕奇（Apache）基金会的一个容器守护进程。该进程根据 RunC OCI 规范负责控制宿主机上容器的完整周期。 Apache containerd 存在资源管理错误漏洞，该漏洞源于未正确控制 ExecSync API 中内部资源的消耗。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
containerd containerd < 1.5.13 -

II. Public POCs for CVE-2022-31030

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III. Intelligence Information for CVE-2022-31030

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Patches & Fixes for CVE-2022-31030 (1)

Vendor Advisories for CVE-2022-31030 (1)

Mailing List Discussions for CVE-2022-31030 (3)

IV. Related Vulnerabilities

Same product: containerd
Same vendor: containerd
Same weakness: CWE-400