CWE-1331: Improper Isolation of Shared Resources in Network On Chip (NoC)

BaseStable

The Network On Chip (NoC) does not isolate or incorrectly isolates its on-chip-fabric and internal resources such that they are shared between trusted and untrusted agents, creating timing channels.

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Extended Description

Typically, network on chips (NoC) have many internal resources that are shared between packets from different trust domains. These resources include internal buffers, crossbars and switches, individual ports, and channels. The sharing of resources causes contention and introduces interference between differently trusted domains, which poses a security threat via a timing channel, allowing attackers to infer data that belongs to a trusted agent. This may also result in introducing network interference, resulting in degraded throughput and latency.

Technical Details

Structure
Simple

Applicable To

Languages
Not Language-Specific
Platforms
Not OS-Specific

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