CVE-2021-28663 — AI Deep Analysis Summary

🚨 **Essence**: A critical resource management flaw in the **ARM Mali GPU** kernel driver. <br>💥 **Consequences**: Improper handling of GPU memory operations leads to a **Use-After-Free (UAF)** bug.…

🛠️ **Root Cause**: **Resource Management Error** in the GPU memory operation handling.…

📱 **Affected**: Devices using **ARM Mali GPU** kernels, specifically the **Bifros** architecture. <br>🏢 **Vendor**: ARM Holdings (UK). <br>📦 **Component**: Android Kernel Driver for Mali GPUs.…

🕵️ **Attacker Actions**: <br>1. **Privilege Escalation**: Gain higher system access (Root/Admin). <br>2. **Information Leakage**: Read sensitive data from kernel memory.…

⚖️ **Threshold**: Likely **Medium**. <br>🔑 **Auth**: Requires local access to execute the kernel driver exploit. <br>⚙️ **Config**: Exploits a design flaw in the GPU memory management logic.…

🔓 **Public Exploit**: **YES**. <br>📂 **PoC Available**: A basic Proof-of-Concept (PoC) is leaked on GitHub (`lntrx/CVE-2021-28663`).…

🔍 **Self-Check**: <br>1. Check if your device uses an **ARM Mali GPU** with the **Bifros** architecture. <br>2. Verify the Android Kernel Driver version. <br>3.…

🛡️ **Official Fix**: **YES**. <br>📢 **Source**: ARM Security Updates page. <br>🔗 **Link**: [ARM Mali GPU Kernel Driver Security Updates](https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver).…

🚧 **No Patch Workaround**: <br>1. **Disable GPU Acceleration**: If possible, restrict 3D rendering apps. <br>2. **Restrict Permissions**: Limit app access to system resources. <br>3.…

🔥 **Urgency**: **HIGH**. <br>⚡ **Priority**: Critical. <br>📅 **Published**: May 10, 2021. <br>💡 **Reason**: Public PoC exists, and the vulnerability allows **Privilege Escalation** and **Info Leak**.…