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Linux Kernel qla2xxx SCSI Driver Denial-of-Service Vulnerability During Module Unload

Vulnerability

A denial-of-service vulnerability has been identified in the Linux kernel's qla2xxx SCSI driver. The issue arises during module load and unload tests, where the driver improperly frees a pre-allocated structure. This mismanagement leads to a system crash, as evidenced by a call trace showing the sequence of operations that preceded the failure.

Impact

The vulnerability causes a system crash, disrupting normal operations and potentially leading to a denial-of-service condition.

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.