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CVE-2026-53492
Published:July 01, 2026
Updated:July 21, 2026
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.
Affected Packages
https://github.com/containerd/containerd.git (GITHUB):
Affected version(s) >=v2.3.0 <v2.3.2
Fix Suggestion:
Update to version v2.3.2
https://github.com/containerd/containerd.git (GITHUB):
Affected version(s) >=v2.1.0 <v2.1.9
Fix Suggestion:
Update to version v2.1.9
https://github.com/containerd/containerd.git (GITHUB):
Affected version(s) >=v2.2.0 <v2.2.5
Fix Suggestion:
Update to version v2.2.5
github.com/containerd/containerd/v2 (GO):
Affected version(s) =v2.3.0 <v2.3.2
Fix Suggestion:
Update to version v2.3.2
github.com/containerd/containerd/v2 (GO):
Affected version(s) >=v2.1.0 <v2.1.9
Fix Suggestion:
Update to version v2.1.9
github.com/containerd/containerd/v2 (GO):
Affected version(s) >=v2.2.0 <v2.2.5
Fix Suggestion:
Update to version v2.2.5
github.com/containerd/containerd/v2 (GO):
Affected version(s) >=v2.3.0 <v2.3.2
Fix Suggestion:
Update to version v2.3.2
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CVSS v4
Base Score:
8.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Input Validation
Incorrect Authorization
EPSS
Base Score:
0.41