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Vulnerabilities

CVE-2026-43282

Medium
CWE-476 — Weakness Type
Published: May 6, 2026  ·  Modified: May 9, 2026  ·  Source: NVD
CVSS v3
5.5
🔗 NVD Official
📄 Description (English)

In the Linux kernel, the following vulnerability has been resolved:

RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port

The function ionic_query_port() calls ib_device_get_netdev() without
checking the return value which could lead to NULL pointer dereference,
Fix it by checking the return value and return -ENODEV if the 'ndev' is
NULL.

🤖 AI Executive Summary

A NULL pointer dereference vulnerability exists in the Linux kernel's RDMA/ionic driver in the ionic_query_port() function due to unchecked return value from ib_device_get_netdev(). This could lead to kernel crashes and denial of service on systems using RDMA over Converged Ethernet.

📄 Description (Arabic)

تحتوي دالة ionic_query_port() في برنامج تشغيل RDMA/ionic على ثغرة حيث لا يتم التحقق من قيمة الإرجاع من ib_device_get_netdev()، مما قد يؤدي إلى إلغاء مؤشر فارغ. يمكن أن يسبب هذا انهيار النواة وحالات رفض الخدمة على الأنظمة التي تستخدم RDMA عبر Converged Ethernet.

🤖 ملخص تنفيذي (AI)

A NULL pointer dereference vulnerability exists in the Linux kernel's RDMA/ionic driver in the ionic_query_port() function due to unchecked return value from ib_device_get_netdev(). This could lead to kernel crashes and denial of service on systems using RDMA over Converged Ethernet.

🤖 AI Intelligence Analysis Analyzed: May 25, 2026 06:18
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
banking telecom energy government
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
5.0
/ 10.0
🔧 Remediation Steps (English)
Update the Linux kernel to the latest patched version that includes the fix for ionic_query_port(). Verify that ib_device_get_netdev() return values are properly validated before use. Apply kernel security patches from your distribution vendor immediately.
🔧 خطوات المعالجة (العربية)
قم بتحديث نواة لينكس إلى أحدث إصدار مصحح يتضمن إصلاح ionic_query_port(). تحقق من أن قيم الإرجاع من ib_device_get_netdev() يتم التحقق منها بشكل صحيح قبل الاستخدام. طبق تصحيحات أمان النواة من موزع التوزيعة الخاص بك على الفور.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-2.1 ECC-3.1
🔵 SAMA CSF
ID.BE-5.1 PR.PT-3.1
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1
📦 Affected Products / CPE 3 entries
linux:linux_kernel
linux:linux_kernel
linux:linux_kernel:7.0
📊 CVSS Score
5.5
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack VectorL — Low / Local
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity Medium
CVSS Score5.5
CWECWE-476
EPSS0.01%
Exploit No
Patch ✓ Yes
Published 2026-05-06
Source Feed nvd
🇸🇦 Saudi Risk Score
5.0
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
patch-available CWE-476
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