vulnerability
FreeBSD: xen-kernel -- VMX: intercept issue with INVLPG on non-canonical address (CVE-2016-1571)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:N/C:N/I:N/A:C) | Jan 22, 2016 | Feb 29, 2016 | Oct 30, 2017 |
Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
Jan 22, 2016
Added
Feb 29, 2016
Modified
Oct 30, 2017
Description
The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.
Solution
freebsd-upgrade-package-xen-kernel
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