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Linux Kernel RDMA DIM Divide-By-Zero Vulnerability

Vulnerability

A divide-by-zero vulnerability has been identified in the Linux kernel's RDMA DIM component. This issue arises in the 'rdma_dim_stats_compare()' function when the 'prev->cpe_ratio' value is zero, leading to a potential crash or undefined behavior. The vulnerability is present in several versions of the Linux kernel.

Impact

Exploitation of this vulnerability causes a divide-by-zero error, which can lead to a crash or undefined behavior in the affected system.

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
5.3
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.