NIXPKGS-2026-2690

GitHub issue published 6 hours ago

Free5GC Gmm handler.go race condition

Permalink CVE-2026-94043

5.5 MEDIUM

CVSS version (CVSS): 4.0
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Attack Requirement (AT): None (N)
Privileges Required (PR): None (N)
User Interaction (UI): None (N)
Vulnerable System Impact Confidentiality (VC): None (N)
Vulnerable System Impact Integrity (VI): None (N)
Vulnerable System Impact Availability (VA): Low (L)
Subsequent System Impact Confidentiality (SC): None (N)
Subsequent System Impact Integrity (SI): None (N)
Subsequent System Impact Availability (SA): None (N)
Exploit Maturity (E): POC (P)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): Low (L)
Modified Attack Requirement (MAT): None (N)
Modified Privileges Required (MPR): None (N)
Modified User Interaction (MUI): None (N)
Modified Vulnerable System Impact Confidentiality (MVC): None (N)
Modified Vulnerable System Impact Integrity (MVI): None (N)
Modified Vulnerable System Impact Availability (MVA): Low (L)
Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
Modified Subsequent System Impact Integrity (MSI): Negligible (N)
Modified Subsequent System Impact Availability (MSA): Negligible (N)
Safety (S): Not Defined (X)
Automatable (AU): Not Defined (X)
Recovery (R): Not Defined (X)
Value Density (V): Not Defined (X)
Vulnerability Response Effort (RE): Not Defined (X)
Provider Urgency (U): Not Defined (X)
Confidentiality Req. (CR): Not Defined (X)
Integrity Req. (IR): Not Defined (X)
Availability Req. (AR): Not Defined (X)

updated 6 hours ago by @LeSuisse Activity log

Created suggestion 16 hours ago
@LeSuisse ignored
2 references
- https://github.com/free5gc/free5gc/
- https://github.com/free5gc/amf/commit/e…
6 hours ago
@LeSuisse ignored
13 packages
- free5gc-bsf
- free5gc-chf
- free5gc-nef
- free5gc-nrf
- free5gc-pcf
- free5gc-smf
- free5gc-udm
- free5gc-udr
- free5gc-upf
- free5gc-ausf
- free5gc-nssf
- free5gc-tngf
- free5gc-n3iwf
6 hours ago
@LeSuisse accepted 6 hours ago
@LeSuisse published on GitHub 6 hours ago

Free5GC Gmm handler.go race condition

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name: e323b01464355781b8b8d5dd695e05cbc00a62f2. To fix this issue, it is recommended to deploy a patch.