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Linux Kernel uid Memory Leak Vulnerability in io_uring Files Registration

Vulnerability

A memory leak vulnerability has been identified in the Linux kernel's io_uring file registration process. When the function __io_sqe_files_scm() has no files to process, it correctly frees resources but fails to properly manage the user ID, leading to a memory leak.

Impact

Exploitation of this vulnerability causes a memory leak, which can lead to increased memory usage and potential degradation of system performance.

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
5.3
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.