CVE-2017-8903
Published: 11 May 2017
Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.
Notes
| Author | Note |
|---|---|
| mdeslaur | This is XSA-213 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
trusty |
Released
(4.4.2-0ubuntu0.14.04.11)
|
| upstream |
Needs triage
|
|
| xenial |
Released
(4.6.5-0ubuntu1.1)
|
|
| yakkety |
Released
(4.7.2-0ubuntu1.2)
|
|
| zesty |
Released
(4.8.0-1ubuntu2.1)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |