Infinite Recursion Vulnerability in Linux Kernel ATM Module
CVE-2025-38459

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 25 July 2025

What is CVE-2025-38459?

A flaw in the ATM module of the Linux kernel allows for an infinite recursive call of the clip_push() function. This occurs when the ioctl(ATMARP_MKIP) command is issued multiple times, leading to improper handling of function pointers during socket operations. The vulnerability can cause a stack overflow due to excessive recursion and may impact system stability. Mitigations include implementing checks to prevent duplicate ioctl calls and utilizing locking mechanisms to avoid concurrent access issues.

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