📄 Description (English)
Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.
🤖 AI Executive Summary
CVE-2026-21375 is a high-severity memory corruption vulnerability in Qualcomm wireless and mobile platform firmware affecting IOCTL buffer handling. The vulnerability allows unauthenticated local attackers to trigger out-of-bounds memory access without proper buffer size validation, potentially leading to denial of service or privilege escalation. With no patch currently available and widespread deployment across Saudi telecommunications and enterprise infrastructure, immediate compensating controls are critical.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 22:01
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications sector (STC, Mobily, Zain) as Qualcomm FastConnect and Snapdragon platforms are extensively deployed in enterprise devices, smartphones, and IoT infrastructure. Banking sector (SAMA-regulated institutions) faces risk through compromised mobile banking devices and enterprise endpoints. Government agencies and critical infrastructure operators using Qualcomm-based wireless equipment are vulnerable to privilege escalation attacks. Healthcare sector (MOH facilities) relying on connected medical devices with affected chipsets faces operational disruption risks. Energy sector (ARAMCO, utilities) using industrial IoT with Qualcomm components requires immediate assessment.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain)
Banking and Financial Services (SAMA-regulated)
Government and Public Administration
Healthcare (MOH facilities)
Energy and Utilities (ARAMCO, regional operators)
Enterprise IT and Corporate Networks
IoT and Connected Devices
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Inventory all devices using affected Qualcomm firmware (Cologne, FastConnect 6700/6900/7800, QCA0000, QCM5430/6490, VC3, SC8380XP, Snapdragon 460)
2. Restrict local access to affected devices through network segmentation and access controls
3. Disable IOCTL-based services where operationally feasible
4. Monitor for suspicious IOCTL calls and memory access patterns
COMPENSATING CONTROLS:
5. Implement kernel-level memory protection (SMEP/SMAP on supported platforms)
6. Enable Address Space Layout Randomization (ASLR) on all affected systems
7. Apply SELinux/AppArmor mandatory access controls to restrict IOCTL access
8. Deploy endpoint detection and response (EDR) solutions with memory corruption detection
9. Implement device driver signature verification and code integrity monitoring
DETECTION RULES:
10. Monitor system logs for IOCTL error codes and memory access violations
11. Alert on unexpected kernel panic or system crashes on affected devices
12. Track failed buffer operations and out-of-bounds access attempts
13. Implement IDS signatures for abnormal IOCTL parameter patterns
PATCHING STRATEGY:
14. Contact Qualcomm and device manufacturers for patch timelines
15. Prepare patch deployment procedures for when updates become available
16. Prioritize patching for devices in high-risk environments (banking, government)
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع الأجهزة التي تستخدم برامج Qualcomm الثابتة المتأثرة
2. تقييد الوصول المحلي للأجهزة المتأثرة من خلال تقسيم الشبكة والتحكم في الوصول
3. تعطيل خدمات IOCTL حيث يكون ذلك ممكناً من الناحية التشغيلية
4. مراقبة استدعاءات IOCTL المريبة وأنماط الوصول إلى الذاكرة
الضوابط التعويضية:
5. تنفيذ حماية الذاكرة على مستوى النواة (SMEP/SMAP)
6. تفعيل عشوائية تخطيط مساحة العنوان (ASLR)
7. تطبيق ضوابط الوصول الإلزامية SELinux/AppArmor
8. نشر حلول الكشف والاستجابة للنقاط النهائية (EDR)
9. تنفيذ التحقق من توقيع برنامج التشغيل ومراقبة سلامة الكود
قواعد الكشف:
10. مراقبة سجلات النظام لأخطاء IOCTL وانتهاكات الوصول إلى الذاكرة
11. التنبيه على توقف النواة غير المتوقع أو أعطال النظام
12. تتبع عمليات المخزن المؤقت الفاشلة ومحاولات الوصول خارج الحدود
13. تنفيذ توقيعات IDS لأنماط معاملات IOCTL غير الطبيعية
استراتيجية التصحيح:
14. الاتصال بـ Qualcomm وشركات المصنعين للحصول على جداول زمنية للتصحيحات
15. تحضير إجراءات نشر التصحيحات عند توفر التحديثات
16. أولويات التصحيح للأجهزة في البيئات عالية المخاطر
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development policy
A.12.2.1 - Monitoring of system use
A.12.4.1 - Event logging
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification
PR.DS-6 - Data security and integrity controls
DE.CM-1 - Detection and monitoring of anomalous activity
RS.MI-1 - Incident response and mitigation
🟡 ISO 27001:2022
A.12.2.1 - Monitoring of information systems
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development and change management
A.12.4.1 - Recording user activities
🟣 PCI DSS v4.0.1
Requirement 6.2 - Security patches and updates
Requirement 11.2 - Vulnerability scanning
Requirement 12.2 - Configuration standards
📦 Affected Products / CPE 35 entries
qualcomm:cologne_firmware:-
qualcomm:fastconnect_6700_firmware:-
qualcomm:fastconnect_6900_firmware:-
qualcomm:fastconnect_7800_firmware:-
qualcomm:qca0000_firmware:-
qualcomm:qcm5430_firmware:-
qualcomm:qcm6490_firmware:-
qualcomm:video_collaboration_vc3_platform_firmware:-
qualcomm:sc8380xp_firmware:-
qualcomm:snapdragon_460_mobile_platform_firmware:-
qualcomm:snapdragon_662_mobile_platform_firmware:-
qualcomm:snapdragon_7c\+_gen_3_compute_firmware:-
qualcomm:snapdragon_8cx_gen_3_compute_platform_firmware:-
qualcomm:snapdragon_ar1_gen_1_platform_firmware:-
qualcomm:wcd9370_firmware:-
qualcomm:wcd9375_firmware:-
qualcomm:wcd9378c_firmware:-
qualcomm:wcd9380_firmware:-
qualcomm:wcd9385_firmware:-
qualcomm:wcn3950_firmware:-
qualcomm:wcn3988_firmware:-
qualcomm:wsa8830_firmware:-
qualcomm:wsa8832_firmware:-
qualcomm:wsa8835_firmware:-
qualcomm:wsa8840_firmware:-
qualcomm:wsa8845_firmware:-
qualcomm:wsa8845h_firmware:-
qualcomm:x2000077_firmware:-
qualcomm:x2000086_firmware:-
qualcomm:x2000090_firmware:-
qualcomm:x2000092_firmware:-
qualcomm:x2000094_firmware:-
qualcomm:xg101002_firmware:-
qualcomm:xg101032_firmware:-
qualcomm:xg101039_firmware:-