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Status published
Medium
CVE-2023-6476
Cri-o: pods are able to break out of resource confinement on cgroupv2
Vulnerability Description
A flaw was found in CRI-O that involves an experimental annotation leading to a container being unconfined. This may allow a pod to specify and get any amount of memory/cpu, circumventing the kubernetes scheduler and potentially resulting in a denial of service in the node.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Red Hat
View all reports →Affected Software
Red Hat OpenShift Container Platform 4.13, Red Hat OpenShift Container Platform 4.14, Red Hat OpenShift Container Platform 3.11
Vulnerable Versions:
0:1.26.4-6.1.rhaos4.13.git9eb9cf3.el9, 0:1.27.2-7.rhaos4.14.git1cc7a64.el9
Timeline
Official Publish:
January 9th, 2024
Last Modified:
November 20th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H