#VU104215 Resource management error in Kubernetes - CVE-2025-0426

Vulnerability identifier: #VU104215

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-0426

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kubernetes
Server applications / Frameworks for developing and running applications

Vendor: Kubernetes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application when handling HTTP requests at the "/checkpoint" endpoint. A remote attacker can send a large number of HTTP requests to the affected endpoint and perform a denial of service (DoS) attack by filling up the disk space.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Kubernetes: 1.3.10 - 1.32.1, 1.29.0 - 1.29.13

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External links
https://www.openwall.com/lists/oss-security/2025/02/13/1
https://github.com/kubernetes/kubernetes/issues/130016
https://groups.google.com/g/kubernetes-security-announce/c/KiODfu8i6w8

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.