CVE-2026-31431 — AI Deep Analysis Summary

🚨 **Essence**: A critical security flaw in the **Linux Kernel** related to the `algif_aead` operation mode. 📉 **Consequences**: The CVSS score is **9.8 (Critical)**.…

🛠️ **Root Cause**: The flaw originates from the **`algif_aead`** (Authenticated Encryption with Associated Data) interface.…

🌍 **Affected**: All systems running the **Linux Kernel** that are vulnerable to this specific `algif_aead` issue. 🏢 **Vendor**: Linux (Linux Foundation). 📦 **Product**: Linux Kernel.…

💀 **Attacker Actions**: With Local access, an attacker can achieve **Full System Compromise**. 🔓 **Privileges**: Can escalate to **Root/Admin** privileges.…

⚖️ **Threshold**: **Low**. 📝 **Auth Required**: **Yes**, but only **Local** access is needed (PR:L). 🖱️ **User Interaction**: **None** required (UI:N). 🔑 **Complexity**: **Low** (AC:L).…

🔓 **Public Exploit**: **No** public PoC or wild exploitation detected yet. 📜 **Status**: The `pocs` array is empty.…

🔍 **Self-Check**: Scan for Linux Kernel versions affected by the `algif_aead` patch. 📡 **Tools**: Use kernel version scanners or vulnerability management platforms.…

✅ **Fixed**: **Yes**. 🩹 **Patch**: Official patches are available via the Linux Kernel stable tree. 🔗 **References**: Multiple commits are listed (e.g., `19d43105a97be0810edbda875f2cd03f30dc130c`).…

🛡️ **Workaround**: If patching is impossible, **disable or restrict** the use of `algif_aead` interfaces if possible. 🚫 **Access Control**: Strictly limit **local user access** to prevent exploitation.…

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: **P0 / Immediate Action Required**. ⏱️ **Reason**: CVSS 9.8 + Local Privilege Escalation = High Risk. 📢 **Recommendation**: Patch immediately upon availability.…