Vulnerability Details : CVE-2023-6476
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.
Vulnerability category: Denial of service
Products affected by CVE-2023-6476
- 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:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-6476
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-6476
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | 2024-01-18 |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Red Hat, Inc. | 2024-01-09 |
CWE ids for CVE-2023-6476
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: secalert@redhat.com (Secondary)
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-6476
-
https://access.redhat.com/errata/RHSA-2024:0207
RHSA-2024:0207 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/security/cve/CVE-2023-6476
CVE-2023-6476- Red Hat Customer PortalVendor Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=2253994
2253994 – (CVE-2023-6476) CVE-2023-6476 cri-o: Pods are able to break out of resource confinement on cgroupv2Issue Tracking;Vendor Advisory
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https://access.redhat.com/errata/RHSA-2024:0195
RHSA-2024:0195 - Security Advisory - Red Hat Customer PortalVendor Advisory
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