vulnerability
FreeBSD: xen-kernel -- x86: Missing SMAP whitelisting in 32-bit exception / event delivery (CVE-2016-6259)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Aug 2, 2016 | Aug 3, 2016 | Oct 30, 2017 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Aug 2, 2016
Added
Aug 3, 2016
Modified
Oct 30, 2017
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.
Solution
freebsd-upgrade-package-xen-kernel
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