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CVE-2022-31030

Publication date 9 June 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
containerd 22.10 kinetic
Fixed 1.6.4-0ubuntu1.1
22.04 LTS jammy
Fixed 1.5.9-0ubuntu3.1
21.10 impish Ignored
20.04 LTS focal
Fixed 1.5.9-0ubuntu1~20.04.6
18.04 LTS bionic
Fixed 1.5.9-0ubuntu1~18.04.2
16.04 LTS xenial

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Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H