CVE-2017-14431
Publication date 13 September 2017
Last updated 25 August 2025
Ubuntu priority
Description
Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| xen | ||
| 16.04 LTS xenial |
Fixed 4.6.5-0ubuntu1
|
|
| 14.04 LTS trusty |
Fixed 4.4.2-0ubuntu0.14.04.11
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.5 · Medium
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |