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FreeBSD: xen-kernel -- x86 shadow pagetables: address width overflow (CVE-2016-3960)

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FreeBSD: xen-kernel -- x86 shadow pagetables: address width overflow (CVE-2016-3960)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
04/19/2016
Created
07/25/2018
Added
07/20/2016
Modified
10/30/2017

Description

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.

Solution(s)

  • freebsd-upgrade-package-xen-kernel

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