CVE-2020-10725
Publication date 18 May 2020
Last updated 25 August 2025
Ubuntu priority
Description
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()`.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| dpdk | 20.04 LTS focal |
Fixed 19.11.1-0ubuntu1.1
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.7 · High
|
| 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 |
References
Related Ubuntu Security Notices (USN)
- USN-4362-1
- DPDK vulnerabilities
- 18 May 2020