CVE-2021-1905 — AI Deep Analysis Summary

🚨 **Essence**: Qualcomm components suffer from a **Resource Management Error**. Specifically, incorrect memory mapping during multi-process handling leads to **Use-After-Free** scenarios.…

🛡️ **Root Cause**: The flaw lies in **incorrect memory mapping** when processing multiple processes simultaneously. This leads to **Use-After-Free** vulnerabilities where memory is accessed after being released.…

📱 **Affected Products**: Snapdragon series including **Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wearables**.…

💻 **Attacker Capabilities**: With **Local** access and **Low** complexity, an attacker can achieve **High** impact. 🎯 **Privileges**: Can likely execute arbitrary code or crash the system.…

🔓 **Exploitation Threshold**: **Low**. 📝 **Requirements**: Requires **Local** access (AV:L), **Low** complexity (AC:L), **No Privileges** required (PR:N), and **No User Interaction** (UI:N).…

🔍 **Public Exploit**: Yes. A PoC is available on GitHub (TAKIANFIF) targeting **Qualcomm GPU / ARM Mali GPU**. 🌐 **Link**: https://github.com/TAKIANFIF/CVE-2021-1905-CVE-2021-1906-CVE-2021-28663-CVE-2021-28664.…

🔎 **Self-Check**: Scan for the listed **Qualcomm chipsets** (e.g., APQ8009, MDM9607). 🛠️ **Tools**: Use vulnerability scanners that check for Qualcomm Snapdragon component versions.…

✅ **Official Fix**: Yes. Qualcomm released a security bulletin in **May 2021**. 📄 **Reference**: https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin.…

🚧 **No Patch Workaround**: Since it requires **Local** access, restrict physical and logical local access to the device. 🛑 **Mitigation**: Disable unnecessary multi-process services if possible.…

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: Immediate action required. CVSS score is **9.8** (Critical).…