CVE-2016-9932
Published: 26 January 2017
CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.
Notes
| Author | Note |
|---|---|
| mdeslaur | This is XSA-200 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
precise |
Released
(4.1.6.1-0ubuntu0.12.04.13)
|
| trusty |
Released
(4.4.2-0ubuntu0.14.04.9)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(4.6.0-1ubuntu4.3)
|
|
| yakkety |
Released
(4.7.0-0ubuntu2.1)
|
|
| zesty |
Released
(4.8.0-1ubuntu1)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 3.3 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |