Em resumo
- CVE-2026-33904 é uma vulnerabilidade MÉDIO (CVSS 6.5) que afeta github.com/ellanetworks/core, ella core (ellanetworks).
- Chance de exploração nos próximos 30 dias (EPSS): 0.17%, maior que 6.8% das vulnerabilidades.
- Correção: atualize para 1.7.0 ou posterior.
Description
Summary
A deadlock in the AMF's SCTP notification handler causes the entire AMF control plane to hang until the process is restarted.
Impact
An attacker with access to the N2 interface can cause Ella Core to hang, resulting in a denial of service for all subscribers.
Fix
Add deferred Radio cleanup in serveConn SCTP server so that every connection exit path removes the radio. Remove the stale-entry scan from SCTP Notification handling.
NVD description
Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, a deadlock in the AMF's SCTP notification handler causes the entire AMF control plane to hang until the process is restarted. An attacker with access to the N2 interface can cause Ella Core to hang, resulting in a denial of service for all subscribers. Version 1.7.0 adds deferred Radio cleanup in serveConn SCTP server so that every connection exit path removes the radio. Remove the stale-entry scan from SCTP Notification handling.
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