CVE-2016-3960
Published: 19 April 2016
Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xen Launchpad, Ubuntu, Debian |
precise |
Released
(4.1.6.1-0ubuntu0.12.04.11)
|
| trusty |
Released
(4.4.2-0ubuntu0.14.04.6)
|
|
| upstream |
Needed
|
|
| wily |
Released
(4.5.1-0ubuntu1.4)
|
|
| xenial |
Released
(4.6.0-1ubuntu4.1)
|
|
|
Patches: upstream: http://xenbits.xen.org/xsa/xsa173-unstable.patch upstream: http://xenbits.xen.org/xsa/xsa173-4.3.patch upstream: http://xenbits.xen.org/xsa/xsa173-4.4.patch upstream: http://xenbits.xen.org/xsa/xsa173-4.5.patch upstream: http://xenbits.xen.org/xsa/xsa173-4.6.patch |
||
| 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 |