📄 Description (English)
Android Kernel Use-After-Free Vulnerability — Android kernel contains a use-after-free vulnerability that allows for privilege escalation.
🤖 AI Executive Summary
CVE-2021-1048 is a critical use-after-free vulnerability in the Android kernel (CVSS 9.0) enabling local privilege escalation. With publicly available exploits and widespread Android device deployment across Saudi Arabia, this poses immediate risk to mobile users and enterprise BYOD environments. Patching is urgent given the high severity and active exploitation potential.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 19, 2026 18:34
🇸🇦 Saudi Arabia Impact Assessment
High impact across Saudi mobile-dependent sectors: Banking (mobile banking apps, payment systems), Government (citizen services via mobile), Healthcare (medical apps, patient data access), Telecommunications (STC, Zain, Mobily infrastructure), and Energy (ARAMCO mobile workforce). BYOD policies in Saudi enterprises create significant risk. Mobile payment systems and government service apps are primary targets. Device compromise enables credential theft, financial fraud, and unauthorized access to sensitive government/corporate data.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare and Medical Services
Energy and Utilities (ARAMCO)
Telecommunications (STC, Zain, Mobily)
Retail and E-commerce
Education
Transportation and Logistics
🎯 MITRE ATT&CK Techniques
T1548 - Abuse Elevation Control Mechanism
T1548.004 - Abuse Elevation Control Mechanism: Elevated Execution with Prompt
T1134 - Access Token Manipulation
T1134.003 - Access Token Manipulation: Make and Impersonate Token
T1547 - Boot or Logon Autostart Execution
T1547.014 - Boot or Logon Autostart Execution: Kernel Modules and Extensions
T1543 - Create or Modify System Process
T1611 - Escape to Host
T1611 - Escape to Host
T1056 - Input Capture
T1040 - Network Sniffing
T1542 - Pre-OS Boot
T1542.005 - Pre-OS Boot: Bootkit
⚖️ Saudi Risk Score (AI)
8.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Android devices in your environment (corporate and BYOD) and their current OS versions
2. Disable or restrict access from unpatched Android devices to critical systems
3. Implement mobile device management (MDM) policies requiring minimum OS versions
4. Monitor for suspicious privilege escalation attempts in system logs
PATCHING GUIDANCE:
1. Deploy Android security patches immediately to all supported devices
2. For Samsung devices: Install latest monthly security patch (2021-02 or later)
3. For other OEMs: Check manufacturer security bulletins for kernel patches
4. Prioritize devices with access to banking, government, or healthcare systems
COMPENSATING CONTROLS (if patching delayed):
1. Enforce SELinux in enforcing mode on all devices
2. Implement application sandboxing and restrict privileged app permissions
3. Use MDM to disable USB debugging and developer options
4. Require strong authentication (biometric + PIN) for sensitive apps
5. Monitor for unusual process creation and privilege escalation attempts
DETECTION RULES:
1. Alert on kernel panic/crash logs from Android devices
2. Monitor for unexpected root process spawning from non-system apps
3. Track failed SELinux denials indicating privilege escalation attempts
4. Log all device administrative access and permission changes
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Android في بيئتك (الشركات و BYOD) والإصدارات الحالية
2. تعطيل أو تقييد الوصول من أجهزة Android غير المصححة إلى الأنظمة الحرجة
3. تنفيذ سياسات إدارة الأجهزة المحمولة (MDM) تتطلب إصدارات نظام تشغيل دنيا
4. مراقبة محاولات تصعيد الامتيازات المريبة في سجلات النظام
إرشادات التصحيح:
1. نشر تصحيحات أمان Android فوراً على جميع الأجهزة المدعومة
2. لأجهزة Samsung: تثبيت أحدث تصحيح أمان شهري (2021-02 أو أحدث)
3. لمصنعي OEM الآخرين: التحقق من نشرات أمان الشركة المصنعة لتصحيحات النواة
4. إعطاء الأولوية للأجهزة التي تحتوي على وصول إلى الأنظمة المصرفية والحكومية والصحية
الضوابط البديلة (إذا تأخر التصحيح):
1. فرض SELinux في وضع الفرض على جميع الأجهزة
2. تنفيذ عزل التطبيقات وتقييد أذونات التطبيقات المميزة
3. استخدام MDM لتعطيل تصحيح الأخطاء عبر USB وخيارات المطور
4. طلب المصادقة القوية (البيومترية + PIN) للتطبيقات الحساسة
5. مراقبة إنشاء العمليات غير المتوقعة ومحاولات تصعيد الامتيازات
قواعد الكشف:
1. تنبيه على سجلات انهيار/توقف نواة Android
2. مراقبة توليد عمليات جذر غير متوقعة من تطبيقات غير النظام
3. تتبع رفضات SELinux الفاشلة التي تشير إلى محاولات تصعيد الامتيازات
4. تسجيل جميع عمليات الوصول الإداري للجهاز والتغييرات في الأذونات
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.5.2.1 - User access management
A.5.2.3 - Management of privileged access rights
A.5.3.1 - Password management
A.6.1.1 - Screening and vetting
A.6.2.1 - Terms and conditions of employment
A.8.1.1 - User endpoint devices
A.8.1.3 - Clear desk and clear screen
A.8.2.1 - User awareness and training
A.8.3.1 - Password management
A.8.3.4 - Segregation of duties
A.12.2.1 - Controls against malware
A.12.3.1 - Backup of information
A.12.4.1 - Event logging
A.12.4.3 - Administrator and operator logs
A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
Governance - Risk Management Framework
Governance - Cybersecurity Strategy
Protective - Access Control
Protective - Data Protection
Protective - System Hardening
Protective - Vulnerability Management
Detective - Security Monitoring
Detective - Incident Detection
Responsive - Incident Response
🟡 ISO 27001:2022
5.1 - Policies for information security
5.2 - Information security roles and responsibilities
5.3 - Segregation of duties
6.1 - Screening
6.2 - Terms and conditions of employment
6.5 - Access control
6.6 - Information security in supplier relationships
7.1 - Cryptography
8.1 - User endpoint devices
8.2 - Privileged access rights
8.3 - Information access restriction
8.4 - Access to cryptographic keys
8.5 - Physical and logical access
8.6 - Secret authentication information
8.7 - Access control for information systems
8.8 - Applicable information security requirements
8.9 - Removal of access rights
8.10 - Authentication information
8.11 - Cryptographic controls
8.12 - Change of user authentication information
8.13 - User password management
8.14 - Segregation of information systems
8.15 - Monitoring
8.16 - Logging
8.17 - Monitoring system use
8.18 - Removal of access rights
8.19 - Information security in supplier relationships
8.20 - Addressing information security in ICT projects
8.21 - Reversibility of information systems
8.22 - Restrictions on information systems use
8.23 - Information security for cloud services
8.24 - Planning of information security
8.25 - Information security incident management
8.26 - Business continuity management
8.27 - Compliance
8.28 - Information security review
8.29 - Improvement of information security
8.30 - Cryptography
8.31 - Physical and environmental security
8.32 - Operations security
8.33 - Communications security
8.34 - System acquisition, development and maintenance
8.35 - Supplier relationships
8.36 - Information security incident management
8.37 - Business continuity management
8.38 - Compliance
8.39 - Information security review
8.40 - Improvement of information security
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Android:Kernel