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Linux Kernel ARM SMMU V3 IOMMU Null Pointer Dereference Vulnerability

Vulnerability

A null pointer dereference vulnerability has been identified in the Linux kernel's IOMMU ARM SMMU V3 implementation. This issue arises because the code does not properly check the return value of the platform_get_resource() function. If platform_get_resource() returns NULL, it can lead to a null pointer dereference, causing a potential crash or undefined behavior.

Impact

Exploitation of this vulnerability leads to a null pointer dereference, which can cause a system crash or other undefined behavior.

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.