Schrodinger's Toolbox: Exploring the Quantum Rowhammer Attack
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866908524560252928 |
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| author | Campbell, Devon |
| author_facet | Campbell, Devon |
| contents | Residual cross-talk in superconducting qubit devices creates a security vulnerability for emerging quantum cloud services. We demonstrate a Clifford-only Quantum Rowhammer attack-using just X and CNOT gates-that injects faults on IBM's 127-qubit Eagle processors without requiring pulse-level access. Experiments show that targeted hammering induces localized errors confined to the attack cycle and primarily manifests as phase noise, as confirmed by near 50% flip rates under Hadamard-basis probing. A full lattice sweep maps QR's spatial and temporal behavior, revealing reproducible corruption limited to qubits within two coupling hops and rapid recovery in subsequent benign cycles. Finally, we leverage these properties to outline a prime-and-probe covert channel, demonstrating that the clear separability between hammered and benign rounds enables highly reliable signaling without error correction. These findings underscore the need for hardware-level isolation and scheduler-aware defenses as multi-tenant quantum computing becomes standard. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_06318 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Schrodinger's Toolbox: Exploring the Quantum Rowhammer Attack Campbell, Devon Quantum Physics Cryptography and Security Residual cross-talk in superconducting qubit devices creates a security vulnerability for emerging quantum cloud services. We demonstrate a Clifford-only Quantum Rowhammer attack-using just X and CNOT gates-that injects faults on IBM's 127-qubit Eagle processors without requiring pulse-level access. Experiments show that targeted hammering induces localized errors confined to the attack cycle and primarily manifests as phase noise, as confirmed by near 50% flip rates under Hadamard-basis probing. A full lattice sweep maps QR's spatial and temporal behavior, revealing reproducible corruption limited to qubits within two coupling hops and rapid recovery in subsequent benign cycles. Finally, we leverage these properties to outline a prime-and-probe covert channel, demonstrating that the clear separability between hammered and benign rounds enables highly reliable signaling without error correction. These findings underscore the need for hardware-level isolation and scheduler-aware defenses as multi-tenant quantum computing becomes standard. |
| title | Schrodinger's Toolbox: Exploring the Quantum Rowhammer Attack |
| topic | Quantum Physics Cryptography and Security |
| url | https://arxiv.org/abs/2509.06318 |