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The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to cause a denial of service (delays of legitimate traffic) via crafted packet data that requires excessive evaluation time within the packet classification algorithm for the MegaFlow cache, aka a Tuple Space Explosion (TSE) attack.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | No solution exists | May 15, 2025 | Sep 8, 2022 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Sep 8, 2022 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Sep 8, 2022 |
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