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Vulnerabilities

CVE-2026-43267

Medium
CWE-369 — 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:

wifi: rtw89: fix potential zero beacon interval in beacon tracking

During fuzz testing, it was discovered that bss_conf->beacon_int
might be zero, which could result in a division by zero error in
subsequent calculations. Set a default value of 100 TU if the
interval is zero to ensure stability.

🤖 AI Executive Summary

A division by zero vulnerability exists in the Linux kernel's rtw89 WiFi driver when processing beacon intervals set to zero. The fix implements a default beacon interval of 100 TU to prevent kernel crashes during beacon tracking operations.

📄 Description (Arabic)

تم اكتشاف ثغرة في برنامج تشغيل WiFi rtw89 بنواة Linux حيث قد تكون قيمة bss_conf->beacon_int مساوية للصفر. هذا يؤدي إلى خطأ القسمة على صفر في العمليات الحسابية اللاحقة. يتم حل المشكلة بتعيين قيمة افتراضية قدرها 100 وحدة زمنية عند اكتشاف فترة صفرية.

🤖 ملخص تنفيذي (AI)

A division by zero vulnerability exists in the Linux kernel's rtw89 WiFi driver when processing beacon intervals set to zero. The fix implements a default beacon interval of 100 TU to prevent kernel crashes during beacon tracking operations.

🤖 AI Intelligence Analysis Analyzed: May 25, 2026 02:49
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
telecom government healthcare
🎯 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 rtw89 beacon interval fix. Ensure beacon_int validation is performed before division operations and apply default value of 100 TU when zero is detected.
🔧 خطوات المعالجة (العربية)
قم بتحديث نواة Linux إلى أحدث إصدار مصحح يتضمن إصلاح فترة المنارة في rtw89. تأكد من التحقق من صحة beacon_int قبل عمليات القسمة وتطبيق القيمة الافتراضية 100 TU عند اكتشاف الصفر.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.6.1 A.14.2.1
🔵 SAMA CSF
ID.BE-5.1 PR.PT-2.1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1
📦 Affected Products / CPE 2 entries
linux:linux_kernel
linux:linux_kernel
📊 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-369
EPSS0.01%
Exploit No
Patch ✓ Yes
Published 2026-05-06
Source Feed nvd
Views 1
🇸🇦 Saudi Risk Score
5.0
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
patch-available CWE-369
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