CVE-2016-6259
Published: 02 August 2016
Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.
Priority
CVSS 3 base score: 6.2
Status
Package | Release | Status |
---|---|---|
xen Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Released
(4.6.0-1ubuntu4.2)
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
(trusty was not-affected [4.4.2-0ubuntu0.14.04.6])
|
|
Binaries built from this source package are in Universe and so are supported by the community. |