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CVE-2023-6476

Date: January 9, 2024

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.

Language: Go

Severity Score

Related Resources (11)

https://github.com/cri-o/cri-o/commit/75effcb1a25851a736e82dba1f7d8cee93ee159e
https://access.redhat.com/errata/RHSA-2024:0207
https://access.redhat.com/security/cve/CVE-2023-6476
https://access.redhat.com/errata/RHSA-2024:0195
https://nvd.nist.gov/vuln/detail/CVE-2023-6476
https://github.com/cri-o/cri-o/blob/main/pkg/config/workloads.go#L103-L107
https://github.com/cri-o/cri-o
https://github.com/cri-o/cri-o/security/advisories/GHSA-p4rx-7wvg-fwrc
https://bugzilla.redhat.com/show_bug.cgi?id=2253994
https://github.com/cri-o/cri-o/pull/4479
https://www.mend.io/vulnerability-database/CVE-2023-6476

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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