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Linux Kernel NFC ST21NFCA Memory Leak Vulnerability in EVT_TRANSACTION Handling

Vulnerability

A memory leak vulnerability has been identified in the Linux kernel's NFC ST21NFCA component, specifically in the EVT_TRANSACTION handling. The issue arises because error paths do not properly free previously allocated memory, leading to memory leaks. The vulnerability has been addressed by adding a memory deallocation function to the error handling paths.

Impact

Exploitation of this vulnerability can lead to memory leaks, causing increased memory usage and potentially degrading system performance over time.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
4.0
remediation
0.0
relevance
0.0
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.