CVE-2017-10922
Published: 5 July 2017
The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
trusty |
Released
(4.4.2-0ubuntu0.14.04.12)
|
| upstream |
Needs triage
|
|
| xenial |
Released
(4.6.5-0ubuntu1.2)
|
|
| yakkety |
Released
(4.7.2-0ubuntu1.3)
|
|
| zesty |
Released
(4.8.0-1ubuntu2.2)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |