Linux Kernel CMTP Module Double Free Privilege Escalation Vulnerability

CVE-2021-34981

Summary

A local privilege escalation vulnerability exists in the Bluetooth CMTP module of the Linux Kernel. This security flaw arises from inadequate validation of the existence of an object before performing free operations on it. Attackers with the ability to execute high-privileged code on the compromised system can exploit this vulnerability to escalate their privileges and execute malicious code in the context of the kernel. This flaw emphasizes the need for robust input validation and security practices to mitigate potential exploitation.

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