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Linux Kernel Work Context Pointer Initialization Vulnerability in genirq/irq_sim

Vulnerability

A vulnerability in the Linux kernel's genirq/irq_sim component was addressed by properly initializing work context pointer members. The issue arose because the pointers were allocated with kmalloc(), which left them with random, undefined content. This improper initialization could lead to invalid memory dereferences.

Impact

The vulnerability could cause invalid memory dereferencing, potentially leading to memory corruption or other unintended behavior.

Added: Jul 25, 2025, 5:29 PM
Updated: Jul 25, 2025, 5:29 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
4.0
remediation
0.0
relevance
0.3
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.