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Linux Kernel GPIO IRQ Handling Vulnerability Leading to Kernel Panic

Vulnerability

A vulnerability in the Linux kernel's handling of GPIO interrupts has been addressed. The issue caused a kernel panic due to improper management of interrupt requests while accessing GPIO values. This vulnerability was resolved by replacing 'generic_handle_irq' with 'handle_nested_irq', ensuring a more reliable handling of interrupts and preventing the kernel panic.

Impact

Exploitation of this vulnerability could lead to a kernel panic, causing a system crash and disruption of services.

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.