CVE-2024-39724
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 · uneditedIBM 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 confidenceIBM 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.
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 checksWork through these to decide whether this CVE applies to you.
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Identify IBM Db2 Big SQL installationRun '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 presenceAffected if No Big SQL pods or service found means not affected by this CVE
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Confirm Cloud Pak for Data versionRun 'oc get cmp cr -n <namespace> cloudpakfordata -o jsonpath={.status.version}' or check the CP4D console About page to find the installed CP4D versionAffected if Version is 7.6, 7.7, or 7.8 indicates the affected version range
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Verify Big SQL component is runningCheck 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 stateAffected if Running Big SQL pods mean the vulnerable component is active
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Confirm authentication is enabledReview 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 accessAffected if Authenticated access is required (authenticated user needed for exploit)
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Check for resource limits on Big SQL podsRun '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 specAffected 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.
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 dataApply 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.
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-39724 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-39724 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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