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CVE-2023-6476
Cri-o: pods are able to break out of resource confinement on cgroupv2
Medium6.5EPSS 0.86%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.86% · top 41% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
Red Hat · Red Hat OpenShift Container Platform 4.13
- unaffected 0:1.26.4-6.1.rhaos4.13.git9eb9cf3.el9 – < *
Red Hat · Red Hat OpenShift Container Platform 4.14
- unaffected 0:1.27.2-7.rhaos4.14.git1cc7a64.el9 – < *
Red Hat · Red Hat OpenShift Container Platform 3.11
All versions: unknown
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/cri-o/cri-oGHSA-p4rx-7wvg-fwrc (opens in a new tab)
References (4)
- RHSA-2024:0195 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0207 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://access.redhat.com/security/cve/CVE-2023-6476 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2253994 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-p4rx-7wvg-fwrc (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2023-6476)Record last updated .