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Linux Kernel GICv3 Interrupt Controller RWP Polling Vulnerability

Vulnerability

A vulnerability in the Linux kernel's handling of the GICv3 interrupt controller's redistributor polling has been corrected. The issue arose because the polling incorrectly referenced the distributor bit index instead of the correct bit number for the redistributors. This mistake went unnoticed for eight years.

Impact

The vulnerability could lead to incorrect handling of interrupt controller polling, potentially causing delays or errors in interrupt processing.

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

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
0.0
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.