CVE-2025-8805

A vulnerability was determined in Open5GS up to 2.7.5. Affected by this issue is the function smf_gsm_state_wait_pfcp_deletion of the file src/smf/gsm-sm.c of the component SMF. The manipulation leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The patch is identified as c58b8f081986aaf2a312d73a0a17985518b47fe6. It is recommended to upgrade the affected component.

Weakness

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

Affected Software

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/ZHENGHAOHELLO/BugReport
• https://github.com/open5gs/open5gs/commit/c58b8f081986aaf2a312d73a0a17985518b47fe6
• https://github.com/open5gs/open5gs/issues/4000
• https://github.com/open5gs/open5gs/issues/4000#issuecomment-3091321920
• https://github.com/open5gs/open5gs/releases/tag/v2.7.6
• https://github.com/user-attachments/files/21229739/smf_crash.zip
• https://vuldb.com/?ctiid.319334
• https://vuldb.com/?id.319334
• https://vuldb.com/?submit.626125
• https://github.com/open5gs/open5gs/issues/4000
• https://github.com/open5gs/open5gs/issues/4000#issuecomment-3091321920