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Vulnerabilities

CVE-2026-43225

Medium
CWE-401 — 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:

staging: rtl8723bs: fix memory leak on failure path

cfg80211_inform_bss_frame() may return NULL on failure. In that case,
the allocated buffer 'buf' is not freed and the function returns early,
leading to potential memory leak.
Fix this by ensuring that 'buf' is freed on both success and failure paths.

🤖 AI Executive Summary

A memory leak vulnerability exists in the Linux kernel's rtl8723bs staging driver where allocated buffer 'buf' is not freed when cfg80211_inform_bss_frame() fails. This could lead to memory exhaustion and denial of service on systems using this WiFi driver.

📄 Description (Arabic)

يحدث تسرب الذاكرة في برنامج تشغيل WiFi rtl8723bs عندما تفشل دالة cfg80211_inform_bss_frame في إرجاع قيمة صحيحة. المخزن المؤقت المخصص لا يتم تحريره في مسار الفشل مما يؤدي إلى استنزاف موارد النظام. الإصلاح يضمن تحرير الذاكرة في جميع المسارات الممكنة.

🤖 ملخص تنفيذي (AI)

ذاكرة تسرب في برنامج تشغيل rtl8723bs في نواة لينكس حيث لا يتم تحرير المخزن المؤقت عند فشل الدالة. قد يؤدي هذا إلى استنزاف الذاكرة وحرمان الخدمة على الأنظمة التي تستخدم هذا برنامج التشغيل.

🤖 AI Intelligence Analysis Analyzed: May 26, 2026 01:27
🇸🇦 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 fix for rtl8723bs memory leak. Ensure proper buffer deallocation in both success and failure paths of cfg80211_inform_bss_frame() calls. Apply kernel security patches immediately.
🔧 خطوات المعالجة (العربية)
قم بتحديث نواة لينكس إلى أحدث إصدار يتضمن إصلاح تسرب الذاكرة في rtl8723bs. تأكد من تحرير المخزن المؤقت بشكل صحيح في مسارات النجاح والفشل. طبق تصحيحات أمان النواة فوراً.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.6.1 A.14.2.1
🔵 SAMA CSF
ID.BE-5.1 PR.DS-1.1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1
📦 Affected Products / CPE 6 entries
linux:linux_kernel
linux:linux_kernel
linux:linux_kernel
linux:linux_kernel
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-401
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-401
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