Candidate: CVE-2016-6259
PublicDate: 2016-08-02 16:59:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6259
 http://xenbits.xen.org/xsa/advisory-183.html
Description:
 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.
Ubuntu-Description:
Notes:
 mdeslaur> 4.5+ only
Bugs:
Priority: medium
Discovered-by: Andrew Cooper
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [6.2 MEDIUM]

Patches_xen:
Tags_xen: universe-binary
upstream_xen: needs-triage
precise_xen: not-affected (4.1.6.1-0ubuntu0.12.04.11)
trusty_xen: not-affected (4.4.2-0ubuntu0.14.04.6)
trusty/esm_xen: DNE (trusty was not-affected [4.4.2-0ubuntu0.14.04.6])
vivid/ubuntu-core_xen: DNE
vivid/stable-phone-overlay_xen: DNE
wily_xen: ignored (reached end-of-life)
xenial_xen: released (4.6.0-1ubuntu4.2)
esm-infra/xenial_xen: released (4.6.0-1ubuntu4.2)
devel_xen: released (4.7.0-0ubuntu2)