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FreeBSD: VID-4AAE54BE-BA4D-11E6-AE1B-002590263BF5 (CVE-2016-7094): xen-kernel -- x86 HVM: Overflow of sh_ctxt->seg_reg[]

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FreeBSD: VID-4AAE54BE-BA4D-11E6-AE1B-002590263BF5 (CVE-2016-7094): xen-kernel -- x86 HVM: Overflow of sh_ctxt->seg_reg[]

Severity
2
CVSS
(AV:L/AC:M/Au:S/C:N/I:N/A:P)
Published
09/08/2016
Created
07/25/2018
Added
12/04/2016
Modified
05/07/2019

Description

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

Solution(s)

  • freebsd-upgrade-package-xen-kernel

References

  • DLA-614-1
  • DSA-3663
  • CVE-2016-7094

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