| Название | Linux Foundation free5GC 4.1.0 Denial of Service |
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| Описание | free5GC AMF crashes when it receives an out-of-sequence NAS message during the registration procedure.
Specifically, after the AMF enters the state Waiting for IdentityResponse (after processing Security Mode Complete), sending a UplinkNASTransport that carries a Registration Complete NAS message causes the AMF process to crash.
This appears to be a missing state/transition validation (or missing nil/defensive checks) for handling Registration Complete when the UE has not yet completed the expected Identity Response step. |
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| Источник | ⚠️ https://github.com/free5gc/free5gc/issues/792 |
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| Пользователь | shovon0203 (UID 96191) |
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| Представление | 06.03.2026 16:46 (2 месяцы назад) |
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| Модерация | 21.03.2026 08:47 (15 days later) |
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| Статус | принято |
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| Запись VulDB | 352319 [Free5GC 4.1.0 AMF internal/gmm/handler.go HandleRegistrationComplete отказ в обслуживании] |
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| Баллы | 20 |
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