{"id":"UBUNTU-CVE-2020-14378","details":"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.","modified":"2026-04-22T14:04:20.826820Z","published":"2020-09-28T15:00:00Z","related":["USN-4550-1"],"upstream":["CVE-2020-14378"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14378"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4550-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-14378"}],"affected":[{"package":{"name":"dpdk","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dpdk@19.11.3-0ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.11.3-0ubuntu0.2"}]}],"versions":["18.11.2-4","18.11.3-1","18.11.4-1","18.11.4-1ubuntu1","18.11.5-1","19.11-2ubuntu1","19.11-2ubuntu2","19.11.1-0ubuntu1","19.11.1-0ubuntu1.1","19.11.3-0ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription 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