CVE-2023-6476

Cri-o: pods are able to break out of resource confinement on cgroupv2

Published Jan 9, 2024 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-0390 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.
Github GHSA Github GHSA GHSA-p4rx-7wvg-fwrc CRI-O's pods can break out of resource confinement on cgroupv2
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses
  • CWE-770

    Allocation of Resources Without Limits or Throttling

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 20, 2025, 6:05 PM
Reserved
Dec 4, 2023, 6:23 AM
Status
Modified
Published
Jan 9, 2024, 10:15 PM
Modified
Jun 17, 2026, 6:50 AM
Severity
Moderate
Public date
Jan 9, 2024, 9:00 PM