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CVE-2026-82552— Linux Foundation Magma gNB Termination ngap_amf.c denial of service

Quick assessment

Affected

Linux Foundation Magma

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Linux Foundation Magma 1.9.0 中发现了一个安全漏洞。该漏洞影响组件 gNB Termination Handler 中文件的一个未知功能。对该功能的操纵可导致拒绝服务（DoS）故障。攻击可远程实施。该利用方法已公开披露，并可能已被使用。

CVSS 4.3 · Medium Updated Aug 31, 2026

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

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Vulnerability Information

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Vulnerability Title

Linux Foundation Magma gNB Termination ngap_amf.c denial of service

Source: CVE Program / CVE List V5

Vulnerability Description

A security vulnerability has been detected in Linux Foundation Magma 1.9.0. Affected by this vulnerability is an unknown functionality of the file tasks/ngap/ngap_amf.c of the component gNB Termination Handler. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

不恰当的资源关闭或释放

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Linux Foundation	Magma	1.9.0	`cpe:2.3:o:linux_foundation:magma::::::::`

II. Public POCs for CVE-2026-82552

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-82552

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Same Patch Batch · Linux Foundation · 2026-08-30 · 6 CVEs total

CVE-2026-82549	8.3 HIGH	Linux Foundation Magma SecurityModeComplete integrity check
CVE-2026-82547	6.5 MEDIUM	Linux Foundation Magma Registration Complete Message amf_fsm.cpp improper authentication
CVE-2026-82548	5.3 MEDIUM	Linux Foundation Magma InitialUEMessage information disclosure
CVE-2026-82550	5.3 MEDIUM	Linux Foundation Magma NGSetupRequest input validation
CVE-2026-82551	5.3 MEDIUM	Linux Foundation Magma NGSetup ngap_amf_handlers.c state issue

IV. Related Vulnerabilities

Same product: Magma

Same vendor: Linux Foundation

Same weakness: CWE-404

V. Comments for CVE-2026-82552

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CVE-2026-82552— Linux Foundation Magma gNB Termination ngap_amf.c denial of service

Quick assessment

Possible ATT&CK Techniques 1 AI

I. Basic Information for CVE-2026-82552

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-82552

III. Intelligence Information for CVE-2026-82552

Security Blog Posts for CVE-2026-82552 (1)

Vendor Pages for CVE-2026-82552 (1)

Other References for CVE-2026-82552 (2)

Same Patch Batch · Linux Foundation · 2026-08-30 · 6 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-82552

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