vulnerability
Red Hat OpenShift: CVE-2021-25737: kubernetes: Holes in EndpointSlice Validation Enable Host Network Hijack
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:M/Au:S/C:P/I:P/A:N) | Jul 29, 2021 | Jul 29, 2021 | Aug 11, 2025 |
Severity
5
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:N)
Published
Jul 29, 2021
Added
Jul 29, 2021
Modified
Aug 11, 2025
Description
A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.
Solution
linuxrpm-upgrade-openshift
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