CVE-2023-6476
Cri-o: pods are able to break out of resource confinement on cgroupv2
MEDIUM 6.5
At a glance
- Source
- NVD
- EPSS
- EPSS 0.86 % · percentile 58 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-770 — Allocation of Resources Without Limits or Throttling
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | redhat |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · secalert@redhat.com (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-p4rx-7wvg-fwrc — CRI-O's pods can break out of resource confinement on cgroupv2
- GO-2024-2458 — CRI-O's pods can break out of resource confinement on cgroupv2 in github.com/cri-o/cri-o
European references
- ENISA EUVD · EUVD-2024-0390
- GCVE · GCVE-0-2023-6476
Affected configurations (NVD CPE)
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*cpe:2.3:a:redhat:openshift_container_platform:4.13:*:*:*:*:*:*:*cpe:2.3:a:redhat:openshift_container_platform:4.14:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| 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 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |