Resource Allocation Without LimitsWeakness · CWE-770

CVE-2024-39724

MEDIUM · 5.3 CVSS v3.1 Published 2026-02-04
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
59/100
Remediation priority · Elevated
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
IBM Db2 Big SQL on Cloud Pak for Data versions 7.6 (on CP4D 4.8), 7.7 (on CP4D 5.0), and 7.8 (on CP4D 5.1) do not properly limit the allocation of system resources. An authenticated user with internal knowledge of the environment could exploit this weakness to cause a denial of service.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

IBM Db2 Big SQL on Cloud Pak for Data versions 7.6, 7.7, and 7.8 contains an improper limitation of system resources (likely missing or insufficient resource quotas/limits). An authenticated user with internal environment knowledge can exploit this to exhaust resources and cause denial of service.

MitigationApply IBM-provided patches for the specific CP4D versions (4.8, 5.0, 5.1). If no patch is available, implement resource quotas at the Kubernetes/Openshift level to limit Db2 Big SQL pod resource consumption, and review user permissions to restrict knowledge of internal environment details.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify IBM Db2 Big SQL installation
    Run 'oc get pods -n <namespace> | grep bigsql' or 'kubectl get pods -n <namespace> | grep bigsql' to list Db2 Big SQL pods, or check Cloud Pak for Data console for Big SQL service presence
    Affected if No Big SQL pods or service found means not affected by this CVE
  2. Confirm Cloud Pak for Data version
    Run 'oc get cmp cr -n <namespace> cloudpakfordata -o jsonpath={.status.version}' or check the CP4D console About page to find the installed CP4D version
    Affected if Version is 7.6, 7.7, or 7.8 indicates the affected version range
  3. Verify Big SQL component is running
    Check Big SQL scheduler and worker pod status with 'oc get pods -n <namespace> | grep -E "bigsql-scheduler|bigsql-worker"' and confirm they are in Running state
    Affected if Running Big SQL pods mean the vulnerable component is active
  4. Confirm authentication is enabled
    Review user access settings in CP4D console under Users and Groups, or check LDAP/registry configuration with 'oc get ldap -n <namespace>' to verify user authentication is required for Big SQL access
    Affected if Authenticated access is required (authenticated user needed for exploit)
  5. Check for resource limits on Big SQL pods
    Run 'oc get pods -n <namespace> -l app=bigsql -o json' or inspect the Big SQL statefulset with 'oc get statefulset bigsql -n <namespace> -o json' to view resource requests and limits in the spec
    Affected if No resource limits defined in pod spec indicates the vulnerability condition exists

Affected if Cloud Pak for Data version 7.6, 7.7, or 7.8 is running with Big SQL active and authenticated users can access it without Kubernetes-level resource quotas configured.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply IBM-provided patches for the specific CP4D versions (4.8, 5.0, 5.1). If no patch is available, implement resource quotas at the Kubernetes/Openshift level to limit Db2 Big SQL pod resource consumption, and review user permissions to restrict knowledge of internal environment details.

Have this fixed Scoped from the published advisory
  • Consultation6.0 h
  • Implementation12.0 h
  • Testing8.0 h
  • Review / QA4.0 h
30.0 hours of engineering $5,280
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-39724 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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