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CVE-2020-10725

Published: 18 May 2020

A flaw was found in DPDK version 19.11 and above that allows a malicious guest to cause a segmentation fault of the vhost-user backend application running on the host, which could result in a loss of connectivity for the other guests running on that host. This is caused by a missing validity check of the descriptor address in the function `virtio_dev_rx_batch_packed()`.

Priority

Medium

Cvss 3 Severity Score

7.7

Score breakdown

Status

Package Release Status
dpdk
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal
Released (19.11.1-0ubuntu1.1)
trusty Does not exist

upstream
Released (19.11.2,18.11.8,20.02.1)
xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 7.7
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H