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An integer underflow in dpdk versions before 18.11.10 and before 19.11.5 in the `move_desc` function can lead to large amounts of CPU cycles being eaten up in a long running loop. An attacker could cause `move_desc` to get stuck in a 4,294,967,295-count iteration loop. Depending on how `vhost_crypto` is being used this could prevent other VMs or network tasks from being serviced by the busy DPDK lcore for an extended period.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade dpdk | Jul 30, 2024 | Sep 30, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade dpdkUpgrade dpdk-devel | Feb 3, 2021 | Sep 30, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade dpdk-toolsUpgrade dpdk-develUpgrade dpdk | Nov 3, 2020 | Sep 30, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade dpdk-toolsUpgrade dpdk | Nov 3, 2020 | Sep 30, 2020 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Sep 30, 2020 |
| Suse | — | Upgrade dpdk-docUpgrade libdpdk-20_0Upgrade dpdk-thunderx-develUpgrade dpdk-thunderx-kmp-defaultUpgrade dpdk-toolsUpgrade dpdkUpgrade dpdk-thunderxUpgrade libdpdk-18_11Upgrade dpdk-examplesUpgrade dpdk-develUpgrade dpdk-kmp-defaultUpgrade dpdk-kmp-preempt | Sep 29, 2020 | Sep 28, 2020 |
| Ubuntu | — | Upgrade dpdk | Sep 29, 2020 | Sep 28, 2020 |
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