CVE-2016-7154
Published: 21 September 2016
Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.
Notes
| Author | Note |
|---|---|
| tyhicks | only Xen 4.4.x is affected |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(4.1.6.1-0ubuntu0.12.04.11)
|
| trusty |
Released
(4.4.2-0ubuntu0.14.04.7)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(4.6.0-1ubuntu4.1)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.7 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |