Memory Leak Vulnerability in Linux Kernel Affecting Multiple lwtunnel Implementations
CVE-2025-21768

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 27 February 2025

What is CVE-2025-21768?

A vulnerability in the Linux kernel related to lwtunnel configurations can lead to memory leakage. Specifically, certain lwtunnels may improperly cache destination references, preventing the state from being freed. This issue occurs when the packet destination remains unchanged, allowing for potential memory management problems. Discovered through the ioam6.sh test, this vulnerability highlights the importance of vigilant network monitoring and integrity checks within kernel operations.

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