CVE-2017-7228
Published: 4 April 2017
An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
| 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 | 8.2 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |