GHSA-x938-fvfw-7jh5
MEDIUMGHSA-x938-fvfw-7jh5 is a medium-severity (CVSS 4) NULL Pointer Dereference vulnerability in github.com/kubeedge/kubeedge. O3 Security confirms whether GHSA-x938-fvfw-7jh5 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
CloudCore CSI Driver: Malicious response from KubeEdge can crash CSI Driver controller server
Blast Radius
github.com/kubeedge/kubeedge🐹github.com/kubeedge/kubeedgeReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.
Description
Impact
A malicious message response from KubeEdge can crash the CSI Driver controller server by triggering a nil-pointer dereference panic. As a consequence, the CSI Driver controller will be in denial of service. An attacker would already need to be an authenticated user of the Cloud, and only when the authenticated user launches the csidriver then CloudCore may be attacked.
Patches
This bug has been fixed in Kubeedge 1.11.0, 1.10.1, and 1.9.3. Users should update to these versions to resolve the issue.
Workarounds
At the time of writing, no workaround exists.
References
NA
Credits
Thanks David Korczynski and Adam Korczynski of ADA Logics for responsibly disclosing this issue in accordance with the kubeedge security policy during a security audit sponsored by CNCF and facilitated by OSTIF.
For more information
If you have any questions or comments about this advisory:
- Open an issue in KubeEdge repo
- To make a vulnerability report, email your vulnerability to the private [email protected] list with the security details and the details expected for KubeEdge bug reports.
Notes: This vulnerability was found by fuzzing KubeEdge by way of OSS-Fuzz.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐹Go | github.com/kubeedge/kubeedge | ≥ 1.10.0&&< 1.10.1 | 1.10.1 |
| 🐹Go | github.com/kubeedge/kubeedge | all versions | 1.9.3 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/kubeedge/kubeedge. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update github.com/kubeedge/kubeedge to 1.10.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-x938-fvfw-7jh5 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether GHSA-x938-fvfw-7jh5 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to GHSA-x938-fvfw-7jh5. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-x938-fvfw-7jh5 in your dependencies?
O3 detects GHSA-x938-fvfw-7jh5 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.