CVE-2025-5935

A vulnerability was found in Open5GS up to 2.7.3. It has been declared as problematic. Affected by this vulnerability is the function common_register_state of the file src/mme/emm-sm.c of the component AMF/MME. The manipulation of the argument ran_ue_id leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 62cb99755243c9c38e4c060c5d8d0e158fe8cdd5. It is recommended to apply a patch to fix this issue.

Weakness

The product does not release or incorrectly releases a resource before it is made available for re-use.

Potential Mitigations

• Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
• For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/125.html
• https://cwe.mitre.org/data/definitions/130.html
• https://cwe.mitre.org/data/definitions/131.html
• https://cwe.mitre.org/data/definitions/494.html
• https://cwe.mitre.org/data/definitions/495.html
• https://cwe.mitre.org/data/definitions/496.html
• https://cwe.mitre.org/data/definitions/666.html

References

• https://github.com/open5gs/open5gs/commit/62cb99755243c9c38e4c060c5d8d0e158fe8cdd5
• https://github.com/open5gs/open5gs/issues/3874
• https://github.com/open5gs/open5gs/issues/3874#issuecomment-2853547622
• https://github.com/user-attachments/files/19863206/Problematic.handover.required.process.zip
• https://vuldb.com/?ctiid.311713
• https://vuldb.com/?id.311713
• https://vuldb.com/?submit.589354