PORTRUSH

Tool

First seen 7/18/2026

Last seen 7/18/2026

Evidence 16 chunks

NEIGHBORHOOD

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RELATIONSHIPS

33 connections

Particle Swarm Optimization uses → 99% 3e

PORTRUSH uses Particle Swarm Optimization to optimize mutation strategies for fuzzing.

BOOM evaluates → 99% 3e

PORTRUSH is evaluated on BOOM, a RISC-V CPU, to detect write port contention vulnerabilities.

NutShell evaluates → 99% 3e

PORTRUSH is evaluated on NutShell, a RISC-V CPU, to detect write port contention vulnerabilities.

Transient Execution Attack uses → 98% 3e

PORTRUSH combines write port contention with transient execution attack patterns to validate side-channel vulnerabilities.

multiplexer uses → 93% 2e

PORTRUSH models multiplexers as selection elements in the Write Request Graph.

Write Request Graph introduces → 99% 2e

PORTRUSH constructs the Write Request Graph to statically identify potential write port contention instances.

Hierarchical Aggregation and Decoding implements → 99% 2e

PORTRUSH implements Hierarchical Aggregation and Decoding to efficiently detect write port contention by monitoring hardware signals.

Contention-guided Hardware Fuzzing implements → 99% 2e

PORTRUSH employs Contention-guided Hardware Fuzzing to trigger write port contention and validate vulnerabilities.

Signal Decoder uses → 97% 2e

PORTRUSH uses the Signal Decoder to reconstruct write request behaviors from aggregated signal sequences.

Signal Aggregation Engine uses → 95% 2e

PORTRUSH uses the Signal Aggregation Engine to collect and aggregate hardware signals for monitoring.

Rocket Core evaluates → 99% 2e

PORTRUSH is evaluated on Rocket Core, a RISC-V CPU, to detect write port contention vulnerabilities.

Seed Minimization uses → 97% 2e

PORTRUSH uses seed minimization to retain only instructions essential for triggering write port contention.

Write Request Graph uses → 99% 2e

PORTRUSH uses the Write Request Graph for static analysis and priority extraction.

Instruction Sequence Mutation uses → 95% 2e

PORTRUSH uses instruction sequence mutation to generate and optimize test cases for fuzzing.

seed corpus uses → 95% 2e

PORTRUSH maintains a seed corpus for exploration and exploitation during fuzzing.

PORTRUSH uses register coverage as a feedback metric for guiding fuzzing mutation.

PORTRUSH operates at the register-transfer level to detect vulnerabilities in hardware designs.

Write Request Behavior Coverage uses → 97% 2e

PORTRUSH uses write request behavior coverage as a feedback metric to guide fuzzing.

Gen Zhang authored by → 99% 1e

Gen Zhang is listed as an author of the PORTRUSH paper.

Wei Xie authored by → 99% 1e

Wei Xie is listed as an author of the PORTRUSH paper.

Zhiyuan Jiang authored by → 99% 1e

Zhiyuan Jiang is listed as an author of the PORTRUSH paper.

Kai Lu authored by → 99% 1e

Kai Lu is listed as a corresponding author of the PORTRUSH paper.

National University of Defense Technology authored by → 99% 1e

PORTRUSH was developed at the National University of Defense Technology.

Binary Search Seed Minimization uses → 97% 1e

PORTRUSH performs seed minimization via an iterative binary search process.

SpecDoctor uses → 95% 1e

PORTRUSH combines with SpecDoctor to monitor whether transient execution is successfully triggered.

reorder buffer uses → 93% 1e

PORTRUSH leverages lightweight logic in the Reorder Buffer to detect rollback events indicating transient execution.

FIRRTL Compiler uses → 98% 1e

PORTRUSH uses the FIRRTL compiler to compile Chisel source into FIRRTL representation for static analysis.

Chisel uses → 97% 1e

PORTRUSH compiles Chisel source code of RISC-V CPUs for analysis.

Depth-First Search uses → 97% 1e

PORTRUSH uses depth-first search to enumerate all possible write paths in the DUT.

Peihong Lin authored by → 99% 1e

Peihong Lin is listed as an author of the PORTRUSH paper.

Pengfei Wang authored by → 99% 1e

Pengfei Wang is listed as a corresponding author of the PORTRUSH paper.

Lei Zhou authored by → 99% 1e

Lei Zhou is listed as an author of the PORTRUSH paper.

Xu Zhou authored by → 99% 1e

Xu Zhou is listed as an author of the PORTRUSH paper.