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Critical severity9.6NVD Advisory· Published Jul 1, 2026· Updated Jul 2, 2026

CVE-2026-53492

CVE-2026-53492

Description

containerd is an open-source container runtime. In Versions prior to 2.3.2, 2.2.5 and 2.1.9, the CRI implementation improperly trusts Container Device Interface (CDI) annotations found within untrusted checkpoint image metadata during container restoration. When restoring a container from a checkpoint, containerd preserves CDI-related annotations from the checkpoint archive rather than relying solely on the pod's create-time specification. This allows a user with pod creation permissions to bypass standard Kubernetes resource allocation and device plugin enforcement, injecting arbitrary CDI edits (such as device nodes and host mounts) into the restored container. Successful exploitation requires that the node has CDI enabled and contains a matching host CDI specification for the requested device; environments where CDI is disabled or lacking sensitive device specifications are not affected. This issue has been fixed in versions 2.3.2, 2.2.5 and 2.1.9.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/containerd/containerd/v2Go
>= 2.1.0, < 2.1.92.1.9
github.com/containerd/containerd/v2Go
>= 2.2.0, < 2.2.52.2.5
github.com/containerd/containerd/v2Go
>= 2.3.0, < 2.3.22.3.2

Affected products

364

Patches

Vulnerability mechanics

References

2

News mentions

0

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