CVE-2021-25372 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **Incorrect Boundary Check** in the DSP driver. ⚠️ **Flaw**: The code fails to validate memory limits, permitting access outside allocated buffers. This is a classic memory safety violation.

Q: Is exploitation threshold high? (Auth/Config)

🔒 **Threshold**: **High**. 👤 **Auth**: Requires **High Privileges** (PR:H). 📡 **Access**: Requires **Physical** access (AV:P). 🧠 **Complexity**: **High** (AC:H). Not a remote, easy exploit.

Q: Is there a public Exp? (PoC/Wild Exploitation)

🕵️ **Public Exp?**: **No**. 📄 **PoC**: The `pocs` list is **empty**. 🌐 **Wild Exp**: No evidence of widespread exploitation in the wild yet. Likely theoretical or limited to lab environments.

Q: Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: **Yes**. 🩹 **Patch**: Samsung released a fix in **SMR Mar-2021 Release 1**. 🔗 **Source**: Official Samsung Mobile Security Update page. Update immediately to mitigate.

Q: Is it urgent? (Priority Suggestion)

⏰ **Urgency**: **Medium-High**. 📌 **Priority**: Patch ASAP if you have physical access risks. 📉 **Risk**: Low for remote attackers, but **Critical** for physical threat models. Do not ignore firmware updates.

Updated May 06, 2026 CVSS 6.1 · Medium

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Samsung SMR firmware has a **boundary check flaw**. <br>💥 **Consequences**: Allows **Out-of-Bounds Memory Access**.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **Incorrect Boundary Check** in the DSP driver. <br>⚠️ **Flaw**: The code fails to validate memory limits, permitting access outside allocated buffers. This is a classic memory safety violation.

Q3Who is affected? (Versions/Components)

📱 **Affected**: **Samsung Mobile Devices**. <br>📦 **Component**: **Samsung SMR** (System Firmware). <br>📅 **Version**: **DSP driver prior to SMR Mar-2021 Release 1**.…

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Q4What can hackers do? (Privileges/Data)

💀 **Hackers' Power**: Can achieve **High** impact on system data and functions. <br>🔓 **Privileges**: Potential for arbitrary code execution or system crash. <br>📂 **Data**: Full access to sensitive memory contents.…

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Q5Is exploitation threshold high? (Auth/Config)

🔒 **Threshold**: **High**. <br>👤 **Auth**: Requires **High Privileges** (PR:H). <br>📡 **Access**: Requires **Physical** access (AV:P). <br>🧠 **Complexity**: **High** (AC:H). Not a remote, easy exploit.

Q6Is there a public Exp? (PoC/Wild Exploitation)

🕵️ **Public Exp?**: **No**. <br>📄 **PoC**: The `pocs` list is **empty**. <br>🌐 **Wild Exp**: No evidence of widespread exploitation in the wild yet. Likely theoretical or limited to lab environments.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Verify your **SMR Firmware Version**. <br>📉 **Scan**: Check if your DSP driver is **older than Mar-2021 Release 1**.…

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Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: **Yes**. <br>🩹 **Patch**: Samsung released a fix in **SMR Mar-2021 Release 1**. <br>🔗 **Source**: Official Samsung Mobile Security Update page. Update immediately to mitigate.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: **Workaround**: Isolate the device. <br>🚫 **Restrict**: Limit **Physical Access** to the device. <br>🔐 **Privileges**: Ensure no untrusted user has **High Privileges**.…

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Q10Is it urgent? (Priority Suggestion)

⏰ **Urgency**: **Medium-High**. <br>📌 **Priority**: Patch ASAP if you have physical access risks. <br>📉 **Risk**: Low for remote attackers, but **Critical** for physical threat models. Do not ignore firmware updates.

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