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Linux Kernel NULL Pointer Dereference Vulnerability in ATM CLIP Component

Vulnerability

A vulnerability in the Linux kernel's ATM CLIP component can lead to a NULL pointer dereference. The issue arises in the 'clip_push()' function, which can crash the kernel if 'clip_devs' is NULL. This vulnerability was introduced because 'vcc_destroy_socket()' calls 'clip_push()' with a NULL socket buffer, allowing the function to attempt to read a NULL reference, causing a crash.

Impact

Exploitation of this vulnerability leads to a kernel crash, causing a denial of service by interrupting normal system operations.

Added: Jul 9, 2025, 11:43 AM
Updated: Jul 9, 2025, 11:43 AM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
5.3
remediation
0.0
relevance
0.2
threat
3.2
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.